CVE-2026-96581 An upsert on the primary key in Ash ignores attribute multitenancy, so one tenant can read, overwrite and take over another tenant's records

[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Ash.Actions.Create'",
      "'Elixir.Ash.Actions.Create.Bulk'",
      "'Elixir.Ash.DataLayer.Ets'",
      "'Elixir.Ash.DataLayer.Mnesia'"
    ],
    "packageName": "ash",
    "packageURL": "pkg:hex/ash",
    "product": "ash",
    "programFiles": [
      "lib/ash/actions/create/create.ex",
      "lib/ash/actions/create/bulk.ex",
      "lib/ash/data_layer/ets/ets.ex",
      "lib/ash/data_layer/mnesia/mnesia.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Ash.Actions.Create':run/4"
      },
      {
        "name": "'Elixir.Ash.Actions.Create.Bulk':run/5"
      },
      {
        "name": "'Elixir.Ash.DataLayer.Ets':upsert/4"
      },
      {
        "name": "'Elixir.Ash.DataLayer.Mnesia':upsert/4"
      }
    ],
    "repo": "https://github.com/ash-project/ash",
    "vendor": "ash-project",
    "versions": [
      {
        "lessThan": "3.37.2",
        "status": "affected",
        "version": "1.22.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.Ash.Actions.Create'",
      "'Elixir.Ash.Actions.Create.Bulk'",
      "'Elixir.Ash.DataLayer.Ets'",
      "'Elixir.Ash.DataLayer.Mnesia'"
    ],
    "packageName": "ash-project/ash",
    "packageURL": "pkg:github/ash-project/ash",
    "product": "ash",
    "programFiles": [
      "lib/ash/actions/create/create.ex",
      "lib/ash/actions/create/bulk.ex",
      "lib/ash/data_layer/ets/ets.ex",
      "lib/ash/data_layer/mnesia/mnesia.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Ash.Actions.Create':run/4"
      },
      {
        "name": "'Elixir.Ash.Actions.Create.Bulk':run/5"
      },
      {
        "name": "'Elixir.Ash.DataLayer.Ets':upsert/4"
      },
      {
        "name": "'Elixir.Ash.DataLayer.Mnesia':upsert/4"
      }
    ],
    "repo": "https://github.com/ash-project/ash",
    "vendor": "ash-project",
    "versions": [
      {
        "lessThan": "c9f0cdb31e7c084def05f3f5be69dd7bb7721754",
        "status": "affected",
        "version": "2333d01ddf37e5909769a513059b27e3183331c5",
        "versionType": "git"
      }
    ]
  }
]