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CVE-2026-82749 Ash relationship parent(...) filter degrades to an IS NULL match when the parent field is unresolved, leaking scoped records

🗓️ 01 Sep 2026 03:54:12Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Unscoped record leakage in Ash 3.13.2-3.32.2 via parent() filter degrading to IS NULL match.

Related
Affected
Refs
[
  {
    "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"
      }
    ]
  }
]

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