443 lines
23 KiB
JSON
443 lines
23 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-86533",
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"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"state": "PUBLISHED",
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"assignerShortName": "EEF",
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"dateReserved": "2026-09-11T18:00:02.036Z",
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"datePublished": "2026-09-17T13:09:37.963Z",
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"dateUpdated": "2026-09-17T18:17:21.199Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshAuthentication.Plug.Helpers'"
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],
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"packageName": "ash_authentication",
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"packageURL": "pkg:hex/ash_authentication",
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"product": "ash_authentication",
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"programFiles": [
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"lib/ash_authentication/plug/helpers.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshAuthentication.Plug.Helpers':retrieve_from_session/3"
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},
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{
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"name": "'Elixir.AshAuthentication.Plug.Helpers':authenticate_resource_from_session/4"
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}
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],
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"repo": "https://github.com/team-alembic/ash_authentication",
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"vendor": "team-alembic",
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"versions": [
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{
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"lessThan": "4.15.0",
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"status": "affected",
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"version": "4.9.1",
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"versionType": "semver"
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},
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{
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"lessThan": "5.0.0-rc.14",
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"status": "affected",
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"version": "5.0.0-rc.0",
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"versionType": "semver"
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}
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]
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},
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{
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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshAuthentication.Plug.Helpers'"
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],
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"packageName": "team-alembic/ash_authentication",
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"packageURL": "pkg:github/team-alembic/ash_authentication",
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"product": "ash_authentication",
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"programFiles": [
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"lib/ash_authentication/plug/helpers.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshAuthentication.Plug.Helpers':retrieve_from_session/3"
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},
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{
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"name": "'Elixir.AshAuthentication.Plug.Helpers':authenticate_resource_from_session/4"
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}
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],
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"repo": "https://github.com/team-alembic/ash_authentication",
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"vendor": "team-alembic",
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"versions": [
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{
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"changes": [
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{
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"at": "a3f49f758f013d2ff086dd9c5ef2d94e921711b4",
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"status": "unaffected"
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},
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{
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"at": "e28e911caa9728d76329afdb0fb26742ffe4eeef",
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"status": "unaffected"
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}
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],
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"lessThan": "*",
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"status": "affected",
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"version": "fcaeb73f76f8f2e9aef8bf637690d2a20dd97596",
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"versionType": "git"
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}
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]
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},
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{
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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:team-alembic:ash_authentication_phoenix:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshAuthentication.Phoenix.LiveSession'"
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],
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"packageName": "ash_authentication_phoenix",
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"packageURL": "pkg:hex/ash_authentication_phoenix",
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"product": "ash_authentication_phoenix",
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"programFiles": [
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"lib/ash_authentication_phoenix/live_session.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshAuthentication.Phoenix.LiveSession':on_mount/4"
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}
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],
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"repo": "https://github.com/team-alembic/ash_authentication_phoenix",
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"vendor": "team-alembic",
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"versions": [
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{
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"lessThan": "2.17.4",
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"status": "affected",
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"version": "2.10.0",
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"versionType": "semver"
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},
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{
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"lessThan": "3.0.0-rc.11",
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"status": "affected",
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"version": "3.0.0-rc.0",
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"versionType": "semver"
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}
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]
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},
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{
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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:team-alembic:ash_authentication_phoenix:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshAuthentication.Phoenix.LiveSession'"
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],
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"packageName": "team-alembic/ash_authentication_phoenix",
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"packageURL": "pkg:github/team-alembic/ash_authentication_phoenix",
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"product": "ash_authentication_phoenix",
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"programFiles": [
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"lib/ash_authentication_phoenix/live_session.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshAuthentication.Phoenix.LiveSession':on_mount/4"
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}
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],
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"repo": "https://github.com/team-alembic/ash_authentication_phoenix",
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"vendor": "team-alembic",
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"versions": [
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{
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"changes": [
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{
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"at": "f7ab005a2aac09707a25521653c94893d328cc52",
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"status": "unaffected"
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},
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{
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"at": "0135217e34e621dac79ae3d9559aeee49304b0aa",
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"status": "unaffected"
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}
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],
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"lessThan": "*",
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"status": "affected",
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"version": "a3253fb4fc7145aeb403537af1c24d3a8d51ffb1",
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"versionType": "git"
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},
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{
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"changes": [
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{
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"at": "f7ab005a2aac09707a25521653c94893d328cc52",
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"status": "unaffected"
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},
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{
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"at": "0135217e34e621dac79ae3d9559aeee49304b0aa",
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"status": "unaffected"
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}
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],
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"lessThan": "*",
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"status": "affected",
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"version": "0135217e34e621dac79ae3d9559aeee49304b0aa",
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"versionType": "git"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "4.15.0",
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"versionStartIncluding": "4.9.1",
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"vulnerable": true
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},
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{
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"criteria": "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "5.0.0-rc.14",
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"versionStartIncluding": "5.0.0-rc.0",
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"vulnerable": true
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},
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{
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"criteria": "cpe:2.3:a:team-alembic:ash_authentication_phoenix:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "2.17.4",
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"versionStartIncluding": "2.10.0",
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"vulnerable": true
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},
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{
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"criteria": "cpe:2.3:a:team-alembic:ash_authentication_phoenix:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "3.0.0-rc.11",
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"versionStartIncluding": "3.0.0-rc.0",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "AND"
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "reporter",
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"value": "Peter Ullrich"
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},
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{
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"lang": "en",
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"type": "analyst",
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"value": "Jonatan Männchen / EEF"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "James Harton"
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}
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],
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"dateAssigned": "2026-09-11T18:52:39.000Z",
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"datePublic": "2026-09-17T13:09:38.000Z",
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Insufficient Session Expiration vulnerability in team-alembic AshAuthentication and AshAuthentication Phoenix allows a revoked session to remain fully authenticated.</p>\n<p>A resource configured with <code>session_identifier :jti</code> and <code>require_token_presence_for_authentication?</code> disabled stores its session value as <code><jti>:<subject></code>. The <code>jti</code> is there so that signing out can revoke that one session. Neither reader consults it: <code>AshAuthentication.Plug.Helpers.authenticate_resource_from_session/4</code> and <code>AshAuthentication.Phoenix.LiveSession.on_mount/4</code> both split the value with <code>split_identifier/2</code>, discard the <code>jti</code> and pass the bare subject to <code>AshAuthentication.subject_to_user/3</code>, which reloads the record. The token-presence branch of each function does check its token, calling <code>AshAuthentication.TokenResource.Actions.get_token/3</code> with the <code>jti</code> and the purpose <code>user</code>. Because the revocation record is never read, neither its revoked state nor its expiry constrains the session, so a session captured before sign-out keeps working.</p>\n<p>This issue affects ash_authentication: from 4.9.1 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14; ash_authentication_phoenix: from 2.10.0 before 2.17.4 and from 3.0.0-rc.0 before 3.0.0-rc.11.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "Insufficient Session Expiration vulnerability in team-alembic AshAuthentication and AshAuthentication Phoenix allows a revoked session to remain fully authenticated.\n\nA resource configured with `session_identifier :jti` and `require_token_presence_for_authentication?` disabled stores its session value as `<jti>:<subject>`. The `jti` is there so that signing out can revoke that one session. Neither reader consults it: `AshAuthentication.Plug.Helpers.authenticate_resource_from_session/4` and `AshAuthentication.Phoenix.LiveSession.on_mount/4` both split the value with `split_identifier/2`, discard the `jti` and pass the bare subject to `AshAuthentication.subject_to_user/3`, which reloads the record. The token-presence branch of each function does check its token, calling `AshAuthentication.TokenResource.Actions.get_token/3` with the `jti` and the purpose `user`. Because the revocation record is never read, neither its revoked state nor its expiry constrains the session, so a session captured before sign-out keeps working.\n\nThis issue affects ash_authentication: from 4.9.1 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14; ash_authentication_phoenix: from 2.10.0 before 2.17.4 and from 3.0.0-rc.0 before 3.0.0-rc.11."
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}
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],
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"value": "Insufficient Session Expiration vulnerability in team-alembic AshAuthentication and AshAuthentication Phoenix allows a revoked session to remain fully authenticated.\n\nA resource configured with session_identifier :jti and require_token_presence_for_authentication? disabled stores its session value as <jti>:<subject>. The jti is there so that signing out can revoke that one session. Neither reader consults it: AshAuthentication.Plug.Helpers.authenticate_resource_from_session/4 and AshAuthentication.Phoenix.LiveSession.on_mount/4 both split the value with split_identifier/2, discard the jti and pass the bare subject to AshAuthentication.subject_to_user/3, which reloads the record. The token-presence branch of each function does check its token, calling AshAuthentication.TokenResource.Actions.get_token/3 with the jti and the purpose user. Because the revocation record is never read, neither its revoked state nor its expiry constrains the session, so a session captured before sign-out keeps working.\n\nThis issue affects ash_authentication: from 4.9.1 before 4.15.0 and from 5.0.0-rc.0 before 5.0.0-rc.14; ash_authentication_phoenix: from 2.10.0 before 2.17.4 and from 3.0.0-rc.0 before 3.0.0-rc.11."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-60",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-60 Reusing Session IDs (aka Session Replay)"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "NETWORK",
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"baseScore": 9.1,
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"baseSeverity": "CRITICAL",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-613",
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"description": "CWE-613 Insufficient Session Expiration",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"shortName": "EEF",
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"dateUpdated": "2026-09-17T14:05:29.472Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory",
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"related"
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],
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"url": "https://github.com/team-alembic/ash_authentication_phoenix/security/advisories/GHSA-m6x4-4gvp-xwjr"
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},
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{
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"name": "EEF CNA record for CVE-2026-86533",
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-86533.html"
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},
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{
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"name": "OSV record EEF-CVE-2026-86533",
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-86533"
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},
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{
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"tags": [
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"related",
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"vendor-advisory"
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],
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"url": "https://github.com/team-alembic/ash_authentication/security/advisories/GHSA-w374-hvrx-66hg"
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},
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{
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"name": "Introducing commit fcaeb73 in team-alembic/ash_authentication",
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"tags": [
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"related"
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],
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"url": "https://github.com/team-alembic/ash_authentication/commit/fcaeb73f76f8f2e9aef8bf637690d2a20dd97596"
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},
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{
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"name": "Fix commit a3f49f7 in team-alembic/ash_authentication",
|
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"tags": [
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"patch"
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],
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"url": "https://github.com/team-alembic/ash_authentication/commit/a3f49f758f013d2ff086dd9c5ef2d94e921711b4"
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},
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{
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"name": "Fix commit e28e911 in team-alembic/ash_authentication",
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"tags": [
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"patch"
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],
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"url": "https://github.com/team-alembic/ash_authentication/commit/e28e911caa9728d76329afdb0fb26742ffe4eeef"
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},
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{
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"name": "Introducing commit a3253fb in team-alembic/ash_authentication_phoenix",
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"tags": [
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"related"
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],
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"url": "https://github.com/team-alembic/ash_authentication_phoenix/commit/a3253fb4fc7145aeb403537af1c24d3a8d51ffb1"
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},
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{
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"name": "Introducing commit 0135217 in team-alembic/ash_authentication_phoenix",
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"tags": [
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"related"
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],
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"url": "https://github.com/team-alembic/ash_authentication_phoenix/commit/0135217e34e621dac79ae3d9559aeee49304b0aa"
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},
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{
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"name": "Fix commit f7ab005 in team-alembic/ash_authentication_phoenix",
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"tags": [
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"patch"
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],
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"url": "https://github.com/team-alembic/ash_authentication_phoenix/commit/f7ab005a2aac09707a25521653c94893d328cc52"
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}
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],
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"source": {
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"discovery": "INTERNAL"
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},
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"title": "Revoked session accepted because the session jti is never checked in AshAuthentication and AshAuthentication Phoenix"
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-17T18:13:50.422619Z",
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"id": "CVE-2026-86533",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-09-17T18:17:21.199Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |