{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-82749", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-08-31T01:00:09.774Z", "datePublished": "2026-09-01T03:54:12.716Z", "dateUpdated": "2026-09-01T03:54:12.716Z"}, "containers": {"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 M\u00e4nnchen / 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": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-09-01T03:54:12.716Z"}, "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"}}}

{}

{"affected": [{"affectedData": [{"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"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "cveTags": [], "descriptions": [{"lang": "en", "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."}], "id": "CVE-2026-82749", "lastModified": "2026-09-01T04:18:05.340", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}, "published": "2026-09-01T04:18:05.340", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-82749.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash/commit/e52dad2c39a35f6f043f7324d26e4f4e2551dfd2"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/ash-project/ash/security/advisories/GHSA-j8fx-ff37-4j9c"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-82749"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{}