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CVE-2026-76949 Remember-me sign-in guard reads a session key that is never written in ash_authentication, allowing session replacement

🗓️ 17 Sep 2026 21:57:50Reported by EEFType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Authentication bypass in ash_authentication via remember-me cookie replaces victim's session.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-76949
17 Sep 202623:52
circl
cve
CVE
CVE-2026-76949
17 Sep 202621:57
cve
euvd
EUVD
EUVD-2026-82578
17 Sep 202621:57
euvd
nvd
NVD
CVE-2026-76949
17 Sep 202622:17
nvd
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.AshAuthentication.Plug.Helpers'"
    ],
    "packageName": "ash_authentication",
    "packageURL": "pkg:hex/ash_authentication",
    "product": "ash_authentication",
    "programFiles": [
      "lib/ash_authentication/plug/helpers.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.AshAuthentication.Plug.Helpers':sign_in_using_remember_me/3"
      },
      {
        "name": "'Elixir.AshAuthentication.Plug.Helpers':store_in_session/2"
      }
    ],
    "repo": "https://github.com/team-alembic/ash_authentication",
    "vendor": "team-alembic",
    "versions": [
      {
        "lessThan": "4.15.0",
        "status": "affected",
        "version": "4.10.0",
        "versionType": "semver"
      },
      {
        "lessThan": "5.0.0-rc.14",
        "status": "affected",
        "version": "5.0.0-rc.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "'Elixir.AshAuthentication.Plug.Helpers'"
    ],
    "packageName": "team-alembic/ash_authentication",
    "packageURL": "pkg:github/team-alembic/ash_authentication",
    "product": "ash_authentication",
    "programFiles": [
      "lib/ash_authentication/plug/helpers.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.AshAuthentication.Plug.Helpers':sign_in_using_remember_me/3"
      },
      {
        "name": "'Elixir.AshAuthentication.Plug.Helpers':store_in_session/2"
      }
    ],
    "repo": "https://github.com/team-alembic/ash_authentication",
    "vendor": "team-alembic",
    "versions": [
      {
        "changes": [
          {
            "at": "b9568a53b438247238b1c5a4f49c8d84650f4bba",
            "status": "unaffected"
          },
          {
            "at": "9a34136b844abe179da1075067cf2835c64dcc12",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "3d3de314692558d06ec13945f857f00514e95a8c",
        "versionType": "git"
      }
    ]
  }
]

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