{"id":"CVE-2026-82564","aliases":["EEF-CVE-2026-82564","EUVD-2026-68306","GHSA-jg86-xh36-h5xc"],"status":"published","title":"Identity tool filter in AshAi accepts operator maps, allowing update or destroy of unidentified records","description":"Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_ai allows a caller of an identity-configured tool to update or destroy records it never identified, including every row in the table.\n\nIn AshAi.Tool.Execution, identity_filter/3 built the update/destroy filter directly from the raw tool arguments as [{key, Map.get(arguments, to_string(key))}] and passed it to Ash.Query.do_filter/2. A map value is parsed as a predicate expression rather than a literal, so a caller can send {\"public_ref\": {\"not_eq\": \"\u003cown-ref\u003e\"}} and, combined with Ash.Query.limit(1) and Ash.bulk_update!/Ash.bulk_destroy!, retarget the write at a record it never identified; an omitted key yields an IS NULL filter that matches an arbitrary row. The fix casts each identity value to the field type, rejecting non-scalar inputs.\n\nThis issue affects ash_ai: from 0.6.0 before 1.0.0.","severity":{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0054,"percentile":0.45908,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2026-08-31T01:06:00Z","modified":"2026-10-28T02:30:28Z","fixes":[{"ecosystem":"Hex","package":"ash_ai","fixed_in":["1.0.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Hex","package":"ash_ai","ranges":[{"type":"SEMVER","events":[{"introduced":"0.6.0"},{"fixed":"1.0.0"}]}],"versions":["0.6.0","0.6.1","0.7.0","0.7.1","0.7.2","0.7.3","0.8.0","0.8.1","0.8.2"]}],"products":[{"vendor":"ash-project","product":"ash_ai"}],"references":[{"url":"https://github.com/ash-project/ash_ai/security/advisories/GHSA-jg86-xh36-h5xc","tags":["vendor-advisory","related","exploit","advisory"]},{"url":"https://cna.erlef.org/cves/CVE-2026-82564.html","tags":["related","web"]},{"url":"https://osv.dev/vulnerability/EEF-CVE-2026-82564","tags":["related","web"]},{"url":"https://github.com/ash-project/ash_ai/commit/87f616d5bfbf7af43346f0701ae17f853789a602","tags":["patch","fix"]},{"url":"https://github.com","tags":["web"]},{"url":"https://repo.hex.pm","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82564.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82564","tags":["advisory"]},{"url":"https://github.com/ash-project/ash_ai","tags":["package"]},{"url":"https://hex.pm/packages/ash_ai","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-82564","title":"Identity tool filter in AshAi accepts operator maps, allowing update or destroy of unidentified records","description":"Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_ai allows a caller of an identity-configured tool to update or destroy records it never identified, including every row in the table.\n\nIn AshAi.Tool.Execution, identity_filter/3 built the update/destroy filter directly from the raw tool arguments as [{key, Map.get(arguments, to_string(key))}] and passed it to Ash.Query.do_filter/2. A map value is parsed as a predicate expression rather than a literal, so a caller can send {\"public_ref\": {\"not_eq\": \"\u003cown-ref\u003e\"}} and, combined with Ash.Query.limit(1) and Ash.bulk_update!/Ash.bulk_destroy!, retarget the write at a record it never identified; an omitted key yields an IS NULL filter that matches an arbitrary row. The fix casts each identity value to the field type, rejecting non-scalar inputs.\n\nThis issue affects ash_ai: from 0.6.0 before 1.0.0.","status":"published","published":"2026-08-31T01:06:00.526Z","modified":"2026-09-01T17:18:18.459Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:40:46.161838Z"}],"euvd":[{"id":"EUVD-2026-68306","description":"Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_ai allows a caller of an identity-configured tool to update or destroy records it never identified, including every row in the table.\n\nIn AshAi.Tool.Execution, identity_filter/3 built the update/destroy filter directly from the raw tool arguments as [{key, Map.get(arguments, to_string(key))}] and passed it to Ash.Query.do_filter/2. A map value is parsed as a predicate expression rather than a literal, so a caller can send {\"public_ref\": {\"not_eq\": \"\u003cown-ref\u003e\"}} and, combined with Ash.Query.limit(1) and Ash.bulk_update!/Ash.bulk_destroy!, retarget the write at a record it never identified; an omitted key yields an IS NULL filter that matches an arbitrary row. The fix casts each identity value to the field type, rejecting non-scalar inputs.\n\nThis issue affects ash_ai: from 0.6.0 before 1.0.0.","status":"published","published":"2026-08-31T01:06:00Z","modified":"2026-09-01T17:18:18Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:17.32054Z"}],"nvd":[{"id":"CVE-2026-82564","description":"Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_ai allows a caller of an identity-configured tool to update or destroy records it never identified, including every row in the table.\n\nIn AshAi.Tool.Execution, identity_filter/3 built the update/destroy filter directly from the raw tool arguments as [{key, Map.get(arguments, to_string(key))}] and passed it to Ash.Query.do_filter/2. A map value is parsed as a predicate expression rather than a literal, so a caller can send {\"public_ref\": {\"not_eq\": \"\u003cown-ref\u003e\"}} and, combined with Ash.Query.limit(1) and Ash.bulk_update!/Ash.bulk_destroy!, retarget the write at a record it never identified; an omitted key yields an IS NULL filter that matches an arbitrary row. The fix casts each identity value to the field type, rejecting non-scalar inputs.\n\nThis issue affects ash_ai: from 0.6.0 before 1.0.0.","status":"published","published":"2026-08-31T02:17:02.103Z","modified":"2026-09-01T21:15:00.147Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/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","level":"high","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:42.691315Z"}],"osv":[{"id":"CVE-2026-82564","title":"Identity tool filter in AshAi accepts operator maps, allowing update or destroy of unidentified records","description":"Authorization Bypass Through User-Controlled Key vulnerability in ash-project ash_ai allows a caller of an identity-configured tool to update or destroy records it never identified, including every row in the table.\n\nIn AshAi.Tool.Execution, identity_filter/3 built the update/destroy filter directly from the raw tool arguments as [{key, Map.get(arguments, to_string(key))}] and passed it to Ash.Query.do_filter/2. A map value is parsed as a predicate expression rather than a literal, so a caller can send {\"public_ref\": {\"not_eq\": \"\u003cown-ref\u003e\"}} and, combined with Ash.Query.limit(1) and Ash.bulk_update!/Ash.bulk_destroy!, retarget the write at a record it never identified; an omitted key yields an IS NULL filter that matches an arbitrary row. The fix casts each identity value to the field type, rejecting non-scalar inputs.\n\nThis issue affects ash_ai: from 0.6.0 before 1.0.0.","status":"published","published":"2026-08-31T01:06:00.526Z","modified":"2026-10-28T02:30:28.897018405Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:45:18.131258Z"},{"id":"EEF-CVE-2026-82564","title":"Identity tool filter in AshAi accepts operator maps, allowing update or destroy of unidentified records","description":"## Summary\n\nAuthorization Bypass Through User-Controlled Key vulnerability in ash-project ash_ai allows a caller of an `identity`-configured tool to update or destroy records it never identified, including every row in the table.\n\nIn `AshAi.Tool.Execution`, `identity_filter/3` built the update/destroy filter directly from the raw tool arguments as `[{key, Map.get(arguments, to_string(key))}]` and passed it to `Ash.Query.do_filter/2`. A map value is parsed as a predicate expression rather than a literal, so a caller can send `{\"public_ref\": {\"not_eq\": \"\u003cown-ref\u003e\"}}` and, combined with `Ash.Query.limit(1)` and `Ash.bulk_update!`/`Ash.bulk_destroy!`, retarget the write at a record it never identified; an omitted key yields an `IS NULL` filter that matches an arbitrary row. The fix casts each identity value to the field type, rejecting non-scalar inputs.\n\nThis issue affects ash_ai: from 0.6.0 before 1.0.0.","status":"published","published":"2026-08-31T01:06:00.526Z","modified":"2026-09-08T18:30:39.81261178Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:46:33.520522Z"}]}}