299 lines
15 KiB
JSON
299 lines
15 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-2026-77454",
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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": "2026-08-30T04:45:01.559Z",
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"datePublished": "2026-08-30T12:01:23.862Z",
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"dateUpdated": "2026-08-31T15:00:02.165Z"
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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_sql:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshSql.Join'"
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],
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"packageName": "ash_sql",
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"packageURL": "pkg:hex/ash_sql",
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"product": "ash_sql",
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"programFiles": [
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"lib/join.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshSql.Join':related_query/3"
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},
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{
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"name": "'Elixir.AshSql.Join':limit_from_many/5"
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}
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],
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"repo": "https://github.com/ash-project/ash_sql",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "0.7.1",
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"status": "affected",
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"version": "0.4.1",
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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_sql:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.AshSql.Join'"
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],
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"packageName": "ash-project/ash_sql",
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"packageURL": "pkg:github/ash-project/ash_sql",
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"product": "ash_sql",
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"programFiles": [
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"lib/join.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.AshSql.Join':related_query/3"
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},
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{
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"name": "'Elixir.AshSql.Join':limit_from_many/5"
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}
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],
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"repo": "https://github.com/ash-project/ash_sql",
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"vendor": "ash-project",
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"versions": [
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{
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"lessThan": "865fdd4e5e70724a23b19c048e6768c31d2209ab",
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"status": "affected",
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"version": "e26a63b29bd7501505fafd726f14262cdc3b6629",
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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>An application must use <code>exists/2</code> (in a filter or a policy) over a relationship that declares both a limit or <code>from_many?</code> and a filter or sort that references <code>parent(...)</code>. The predicate supplied to <code>exists/2</code> is the one that is dropped.</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": "An application must use `exists/2` (in a filter or a policy) over a relationship that declares both a limit or `from_many?` and a filter or sort that references `parent(...)`. The predicate supplied to `exists/2` is the one that is dropped."
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}
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],
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"value": "An application must use exists/2 (in a filter or a policy) over a relationship that declares both a limit or from_many? and a filter or sort that references parent(...). The predicate supplied to exists/2 is the one that is dropped."
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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_sql:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "0.7.1",
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"versionStartIncluding": "0.4.1",
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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_sql allows a caller to bypass a scoping or authorization filter expressed as <code>exists/2</code> over a relationship that declares both a limit (or <code>from_many?</code>) and a <code>parent(...)</code>-referencing filter or sort.</p>\n<p><code>AshSql.Join.related_query/3</code> skips the caller-supplied <code>exists</code> predicate for such relationships and delegates it to <code>limit_from_many/5</code>. When the relationship's own filter or sort references <code>parent(...)</code>, <code>limit_from_many/5</code> takes a branch that drops both the limit and the predicate, emitting a bare correlated <code>EXISTS</code> with no predicate. The check then matches any record that has any related row. Most severely, when the expression backs a policy (for example <code>authorize_if expr(exists(memberships, user_id == ^actor(:id)))</code>), the actor-scoping condition disappears and the policy passes for any actor with any related row.</p>\n<p>This issue affects ash_sql: from 0.4.1 before 0.7.1.</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_sql allows a caller to bypass a scoping or authorization filter expressed as `exists/2` over a relationship that declares both a limit (or `from_many?`) and a `parent(...)`-referencing filter or sort.\n\n`AshSql.Join.related_query/3` skips the caller-supplied `exists` predicate for such relationships and delegates it to `limit_from_many/5`. When the relationship's own filter or sort references `parent(...)`, `limit_from_many/5` takes a branch that drops both the limit and the predicate, emitting a bare correlated `EXISTS` with no predicate. The check then matches any record that has any related row. Most severely, when the expression backs a policy (for example `authorize_if expr(exists(memberships, user_id == ^actor(:id)))`), the actor-scoping condition disappears and the policy passes for any actor with any related row.\n\nThis issue affects ash_sql: from 0.4.1 before 0.7.1."
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}
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],
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"value": "Incorrect Authorization vulnerability in ash-project ash_sql allows a caller to bypass a scoping or authorization filter expressed as exists/2 over a relationship that declares both a limit (or from_many?) and a parent(...)-referencing filter or sort.\n\nAshSql.Join.related_query/3 skips the caller-supplied exists predicate for such relationships and delegates it to limit_from_many/5. When the relationship's own filter or sort references parent(...), limit_from_many/5 takes a branch that drops both the limit and the predicate, emitting a bare correlated EXISTS with no predicate. The check then matches any record that has any related row. Most severely, when the expression backs a policy (for example authorize_if expr(exists(memberships, user_id == ^actor(:id)))), the actor-scoping condition disappears and the policy passes for any actor with any related row.\n\nThis issue affects ash_sql: from 0.4.1 before 0.7.1."
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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": "LOCAL",
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"baseScore": 5.9,
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"baseSeverity": "MEDIUM",
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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:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/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": "LOW",
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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": "2026-08-30T12:01:23.862Z"
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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_sql/security/advisories/GHSA-8v9m-8pxv-738c"
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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-2026-77454.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-2026-77454"
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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_sql/commit/865fdd4e5e70724a23b19c048e6768c31d2209ab"
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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": "exists/2 predicate silently dropped on limited relationships with a parent() filter in AshSql"
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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_sql/security/advisories/GHSA-8v9m-8pxv-738c",
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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": "2026-08-31T14:59:41.075810Z",
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"id": "CVE-2026-77454",
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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": "partial"
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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": "2026-08-31T15:00:02.165Z"
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}
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}
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]
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}
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} |