{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-82749","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-01T12:37:51.333023Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-09-01T12:38:27.534Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["exploit"],"url":"https://github.com/ash-project/ash/security/advisories/GHSA-j8fx-ff37-4j9c"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Ash.Actions.Read.Relationships'"],"packageName":"ash","packageURL":"pkg:hex/ash","product":"ash","programFiles":["lib/ash/actions/read/relationships.ex"],"programRoutines":[{"name":"'Elixir.Ash.Actions.Read.Relationships':resolve_parent_in_filter/3"},{"name":"'Elixir.Ash.Actions.Read.Relationships':do_per_record_no_attributes_load/5"}],"repo":"https://github.com/ash-project/ash","vendor":"ash-project","versions":[{"lessThan":"3.32.2","status":"affected","version":"3.13.2","versionType":"semver"}]},{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Ash.Actions.Read.Relationships'"],"packageName":"ash-project/ash","packageURL":"pkg:github/ash-project/ash","product":"ash","programFiles":["lib/ash/actions/read/relationships.ex"],"programRoutines":[{"name":"'Elixir.Ash.Actions.Read.Relationships':resolve_parent_in_filter/3"},{"name":"'Elixir.Ash.Actions.Read.Relationships':do_per_record_no_attributes_load/5"}],"repo":"https://github.com/ash-project/ash","vendor":"ash-project","versions":[{"lessThan":"e52dad2c39a35f6f043f7324d26e4f4e2551dfd2","status":"affected","version":"0ddff26e6e6bc6d182e1af2f98b431575e5b4179","versionType":"git"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*","versionEndExcluding":"3.32.2","versionStartIncluding":"3.13.2","vulnerable":true}],"negate":false,"operator":"OR"}],"operator":"AND"}],"credits":[{"lang":"en","type":"coordinator","value":"Jonatan Männchen / EEF"},{"lang":"en","type":"remediation developer","value":"Zach Daniel / Ash Project"},{"lang":"en","type":"reporter","value":"Peter Ullrich"},{"lang":"en","type":"finder","value":"Peter Ullrich"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Incorrect Authorization vulnerability in ash-project ash widens a relationship's <code>parent(...)</code> scoping filter to match unintended records when the referenced parent field cannot be resolved.</p>\n<p>Loading a relationship whose filter references <code>parent(...)</code> resolves that expression against the parent record. <code>resolve_parent_in_filter/3</code> (<code>lib/ash/actions/read/relationships.ex</code>) resolved an unresolvable parent reference (for example when the referenced field was not selected on the source query) to <code>nil</code> rather than failing. A scoping predicate such as <code>org_id == parent(org_id)</code> then becomes an <code>IS NULL</code> match, and a guard like <code>is_nil(parent(org_id)) or org_id == parent(org_id)</code> activates its unrestricted branch, so the relationship returns records the scope was meant to exclude. The fix fails the read with an error when a <code>parent(...)</code> reference cannot be resolved, instead of defaulting to nil.</p>\n<p>This issue affects ash: from 3.13.2 before 3.32.2.</p>"},{"base64":false,"type":"text/markdown","value":"Incorrect Authorization vulnerability in ash-project ash widens a relationship's `parent(...)` scoping filter to match unintended records when the referenced parent field cannot be resolved.\n\nLoading a relationship whose filter references `parent(...)` resolves that expression against the parent record. `resolve_parent_in_filter/3` (`lib/ash/actions/read/relationships.ex`) resolved an unresolvable parent reference (for example when the referenced field was not selected on the source query) to `nil` rather than failing. A scoping predicate such as `org_id == parent(org_id)` then becomes an `IS NULL` match, and a guard like `is_nil(parent(org_id)) or org_id == parent(org_id)` activates its unrestricted branch, so the relationship returns records the scope was meant to exclude. The fix fails the read with an error when a `parent(...)` reference cannot be resolved, instead of defaulting to nil.\n\nThis issue affects ash: from 3.13.2 before 3.32.2."}],"value":"Incorrect Authorization vulnerability in ash-project ash widens a relationship's parent(...) scoping filter to match unintended records when the referenced parent field cannot be resolved.\n\nLoading a relationship whose filter references parent(...) resolves that expression against the parent record. resolve_parent_in_filter/3 (lib/ash/actions/read/relationships.ex) resolved an unresolvable parent reference (for example when the referenced field was not selected on the source query) to nil rather than failing. A scoping predicate such as org_id == parent(org_id) then becomes an IS NULL match, and a guard like is_nil(parent(org_id)) or org_id == parent(org_id) activates its unrestricted branch, so the relationship returns records the scope was meant to exclude. The fix fails the read with an error when a parent(...) reference cannot be resolved, instead of defaulting to nil.\n\nThis issue affects ash: from 3.13.2 before 3.32.2."}],"impacts":[{"capecId":"CAPEC-1","descriptions":[{"lang":"en","value":"CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs"}]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":5.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-09-01T03:54:12.716Z","orgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","shortName":"EEF"},"references":[{"tags":["vendor-advisory","related"],"url":"https://github.com/ash-project/ash/security/advisories/GHSA-j8fx-ff37-4j9c"},{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-82749.html"},{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-82749"},{"tags":["patch"],"url":"https://github.com/ash-project/ash/commit/e52dad2c39a35f6f043f7324d26e4f4e2551dfd2"}],"source":{"discovery":"EXTERNAL"},"title":"Ash relationship parent(...) filter degrades to an IS NULL match when the parent field is unresolved, leaking scoped records"}},"cveMetadata":{"assignerOrgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","assignerShortName":"EEF","cveId":"CVE-2026-82749","datePublished":"2026-09-01T03:54:12.716Z","dateReserved":"2026-08-31T01:00:09.774Z","dateUpdated":"2026-09-01T12:38:27.534Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"}