293 lines
14 KiB
JSON
293 lines
14 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-2026-82724",
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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": "2026-08-31T00:59:08.960Z",
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"datePublished": "2026-08-31T03:07:57.455Z",
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"dateUpdated": "2026-08-31T15:54:49.058Z"
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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:ash-project:ash_phoenix:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshPhoenix.LiveView.SubdomainHook'"
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],
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"packageName": "ash_phoenix",
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"packageURL": "pkg:hex/ash_phoenix",
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"product": "ash_phoenix",
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"programFiles": [
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"lib/ash_phoenix/live_view/subdomain_hook.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshPhoenix.LiveView.SubdomainHook':on_mount/4"
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}
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],
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"repo": "https://github.com/ash-project/ash_phoenix",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "2.3.25",
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"status": "affected",
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"version": "2.1.26",
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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:ash-project:ash_phoenix:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshPhoenix.LiveView.SubdomainHook'"
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],
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"packageName": "ash-project/ash_phoenix",
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"packageURL": "pkg:github/ash-project/ash_phoenix",
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"product": "ash_phoenix",
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"programFiles": [
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"lib/ash_phoenix/live_view/subdomain_hook.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshPhoenix.LiveView.SubdomainHook':on_mount/4"
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}
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],
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"repo": "https://github.com/ash-project/ash_phoenix",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "b396e1aa5c6bdec39255f19cf938b539e6d28b71",
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"status": "affected",
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"version": "9a5ea4d377bc263de321d79574872a3dfc4fb541",
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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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"configurations": [
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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>The application uses <code>AshPhoenix.LiveView.SubdomainHook</code> with a <code>handle_subdomain</code> callback as a tenant-scoped authorization gate.</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": "The application uses `AshPhoenix.LiveView.SubdomainHook` with a `handle_subdomain` callback as a tenant-scoped authorization gate."
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}
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],
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"value": "The application uses AshPhoenix.LiveView.SubdomainHook with a handle_subdomain callback as a tenant-scoped authorization gate."
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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:ash-project:ash_phoenix:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "2.3.25",
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"versionStartIncluding": "2.1.26",
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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": "finder",
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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": "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": "remediation developer",
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"value": "Zach Daniel / Ash Project"
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},
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{
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"lang": "en",
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"type": "coordinator",
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"value": "Jonatan Männchen / EEF"
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}
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],
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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>Incorrect Authorization vulnerability in ash-project ash_phoenix invokes the <code>SubdomainHook</code> authorization callback with a <code>nil</code> tenant, so tenant-scoped access checks never see the tenant they are meant to enforce.</p>\n<p><code>AshPhoenix.LiveView.SubdomainHook.on_mount/4</code> attached a <code>handle_params</code> hook to assign the tenant and then immediately called <code>handle_subdomain</code> in the same <code>on_mount</code>. The tenant assign is only written when LiveView later runs <code>handle_params</code>, strictly after <code>on_mount</code> returns, so <code>handle_subdomain</code> read an unset assign and ran as <code>apply(m, f, [socket, nil | a])</code>. A consumer gate that halts when the user does not belong to the tenant instead evaluated <code>nil</code>, either crashing or taking a permissive branch, and it was never re-run once the real subdomain was assigned or on later navigations. The fix runs <code>handle_subdomain</code> inside the <code>handle_params</code> hook with the real tenant on every navigation.</p>\n<p>This issue affects ash_phoenix: from 2.1.26 before 2.3.25.</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": "Incorrect Authorization vulnerability in ash-project ash_phoenix invokes the `SubdomainHook` authorization callback with a `nil` tenant, so tenant-scoped access checks never see the tenant they are meant to enforce.\n\n`AshPhoenix.LiveView.SubdomainHook.on_mount/4` attached a `handle_params` hook to assign the tenant and then immediately called `handle_subdomain` in the same `on_mount`. The tenant assign is only written when LiveView later runs `handle_params`, strictly after `on_mount` returns, so `handle_subdomain` read an unset assign and ran as `apply(m, f, [socket, nil | a])`. A consumer gate that halts when the user does not belong to the tenant instead evaluated `nil`, either crashing or taking a permissive branch, and it was never re-run once the real subdomain was assigned or on later navigations. The fix runs `handle_subdomain` inside the `handle_params` hook with the real tenant on every navigation.\n\nThis issue affects ash_phoenix: from 2.1.26 before 2.3.25."
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}
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],
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"value": "Incorrect Authorization vulnerability in ash-project ash_phoenix invokes the SubdomainHook authorization callback with a nil tenant, so tenant-scoped access checks never see the tenant they are meant to enforce.\n\nAshPhoenix.LiveView.SubdomainHook.on_mount/4 attached a handle_params hook to assign the tenant and then immediately called handle_subdomain in the same on_mount. The tenant assign is only written when LiveView later runs handle_params, strictly after on_mount returns, so handle_subdomain read an unset assign and ran as apply(m, f, [socket, nil | a]). A consumer gate that halts when the user does not belong to the tenant instead evaluated nil, either crashing or taking a permissive branch, and it was never re-run once the real subdomain was assigned or on later navigations. The fix runs handle_subdomain inside the handle_params hook with the real tenant on every navigation.\n\nThis issue affects ash_phoenix: from 2.1.26 before 2.3.25."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-1",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"
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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": 7.6,
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"baseSeverity": "HIGH",
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"privilegesRequired": "LOW",
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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:L/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-863",
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"description": "CWE-863 Incorrect Authorization",
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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": "2026-08-31T03:07:57.455Z"
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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/ash-project/ash_phoenix/security/advisories/GHSA-39c8-xcwr-gqff"
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},
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{
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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-2026-82724.html"
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},
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{
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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-2026-82724"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/ash-project/ash_phoenix/commit/b396e1aa5c6bdec39255f19cf938b539e6d28b71"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "Broken access control in AshPhoenix SubdomainHook via a nil tenant in handle_subdomain"
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/ash-project/ash_phoenix/security/advisories/GHSA-39c8-xcwr-gqff",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-08-31T15:53:54.952218Z",
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"id": "CVE-2026-82724",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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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": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-08-31T15:54:49.058Z"
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}
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}
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]
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}
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} |