CWE-1466

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-110826",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-11-03T19:39:56.983242Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-11-03T19:40:08.522Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.hex.pm",
          "cpes": [
            "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "modules": [
            "\u0027Elixir.AshAuthentication.AddOn.LogOutEverywhere.Transformer\u0027",
            "\u0027Elixir.AshAuthentication.AddOn.LogOutEverywhere.OnPasswordChange\u0027"
          ],
          "packageName": "ash_authentication",
          "packageURL": "pkg:hex/ash_authentication",
          "product": "ash_authentication",
          "programFiles": [
            "lib/ash_authentication/add_ons/log_out_everywhere/transformer.ex",
            "lib/ash_authentication/add_ons/log_out_everywhere/on_password_change.ex"
          ],
          "programRoutines": [
            {
              "name": "\u0027Elixir.AshAuthentication.AddOn.LogOutEverywhere.Transformer\u0027:transform/2"
            },
            {
              "name": "\u0027Elixir.AshAuthentication.AddOn.LogOutEverywhere.OnPasswordChange\u0027:change/3"
            }
          ],
          "repo": "https://github.com/team-alembic/ash_authentication",
          "vendor": "team-alembic",
          "versions": [
            {
              "lessThan": "4.15.1",
              "status": "affected",
              "version": "4.5.0",
              "versionType": "semver"
            },
            {
              "lessThan": "5.0.0-rc.16",
              "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": [
            "\u0027Elixir.AshAuthentication.AddOn.LogOutEverywhere.Transformer\u0027",
            "\u0027Elixir.AshAuthentication.AddOn.LogOutEverywhere.OnPasswordChange\u0027"
          ],
          "packageName": "team-alembic/ash_authentication",
          "packageURL": "pkg:github/team-alembic/ash_authentication",
          "product": "ash_authentication",
          "programFiles": [
            "lib/ash_authentication/add_ons/log_out_everywhere/transformer.ex",
            "lib/ash_authentication/add_ons/log_out_everywhere/on_password_change.ex"
          ],
          "programRoutines": [
            {
              "name": "\u0027Elixir.AshAuthentication.AddOn.LogOutEverywhere.Transformer\u0027:transform/2"
            },
            {
              "name": "\u0027Elixir.AshAuthentication.AddOn.LogOutEverywhere.OnPasswordChange\u0027:change/3"
            }
          ],
          "repo": "https://github.com/team-alembic/ash_authentication",
          "vendor": "team-alembic",
          "versions": [
            {
              "changes": [
                {
                  "at": "954697f168d55112b5050acddcd936b8bc1fba2b",
                  "status": "unaffected"
                },
                {
                  "at": "2baef4eddeb604569d3564273d03eeef438e002c",
                  "status": "unaffected"
                }
              ],
              "lessThan": "*",
              "status": "affected",
              "version": "0993f944fbd8d668f941d2ca818da4a1d5917641",
              "versionType": "git"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eThe \u003ccode\u003elog_out_everywhere\u003c/code\u003e add-on sets \u003ccode\u003eapply_on_password_change? true\u003c/code\u003e, as \u003ccode\u003emix ash_authentication.install\u003c/code\u003e writes, and the password is changed through a non-atomic update action, which includes the generated password reset action and the installer\u0027s \u003ccode\u003echange_password\u003c/code\u003e action. The attacker must already hold one of the victim\u0027s session tokens.\u003c/p\u003e"
            },
            {
              "base64": false,
              "type": "text/markdown",
              "value": "The `log_out_everywhere` add-on sets `apply_on_password_change? true`, as `mix ash_authentication.install` writes, and the password is changed through a non-atomic update action, which includes the generated password reset action and the installer\u0027s `change_password` action. The attacker must already hold one of the victim\u0027s session tokens."
            }
          ],
          "value": "The log_out_everywhere add-on sets apply_on_password_change? true, as mix ash_authentication.install writes, and the password is changed through a non-atomic update action, which includes the generated password reset action and the installer\u0027s change_password action. The attacker must already hold one of the victim\u0027s session tokens."
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.15.1",
                  "versionStartIncluding": "4.5.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:a:team-alembic:ash_authentication:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.0.0-rc.16",
                  "versionStartIncluding": "5.0.0-rc.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ],
          "operator": "AND"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "azmaveth"
        },
        {
          "lang": "en",
          "type": "reporter",
          "value": "azmaveth"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "azmaveth"
        }
      ],
      "dateAssigned": "2026-11-03T03:15:53.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eImproper Session Invalidation after Authentication Credential Change vulnerability in team-alembic ash_authentication allows an attacker holding a victim\u0027s session token to stay signed in after the victim resets or changes their password.\u003c/p\u003e\n\u003cp\u003eWith \u003ccode\u003eapply_on_password_change? true\u003c/code\u003e, \u003ccode\u003eAshAuthentication.AddOn.LogOutEverywhere.Transformer\u003c/code\u003e adds \u003ccode\u003eOnPasswordChange\u003c/code\u003e to update actions as a global change guarded by \u003ccode\u003ewhere: changing(hashed_password)\u003c/code\u003e. That condition is evaluated before the action\u0027s \u003ccode\u003ebefore_action\u003c/code\u003e hooks run, but \u003ccode\u003eAshAuthentication.Strategy.Password.HashPasswordChange\u003c/code\u003e sets the new hash in a \u003ccode\u003ebefore_action\u003c/code\u003e hook, so for every non-atomic password change the condition is false and the user\u0027s stored tokens are not revoked. The generated password reset action and the installer\u0027s \u003ccode\u003echange_password\u003c/code\u003e action are both non-atomic.\u003c/p\u003e\n\u003cp\u003eThis issue affects ash_authentication: from 4.5.0 before 4.15.1 and from 5.0.0-rc.0 before 5.0.0-rc.16.\u003c/p\u003e"
            },
            {
              "base64": false,
              "type": "text/markdown",
              "value": "Improper Session Invalidation after Authentication Credential Change vulnerability in team-alembic ash_authentication allows an attacker holding a victim\u0027s session token to stay signed in after the victim resets or changes their password.\n\nWith `apply_on_password_change? true`, `AshAuthentication.AddOn.LogOutEverywhere.Transformer` adds `OnPasswordChange` to update actions as a global change guarded by `where: changing(hashed_password)`. That condition is evaluated before the action\u0027s `before_action` hooks run, but `AshAuthentication.Strategy.Password.HashPasswordChange` sets the new hash in a `before_action` hook, so for every non-atomic password change the condition is false and the user\u0027s stored tokens are not revoked. The generated password reset action and the installer\u0027s `change_password` action are both non-atomic.\n\nThis issue affects ash_authentication: from 4.5.0 before 4.15.1 and from 5.0.0-rc.0 before 5.0.0-rc.16."
            }
          ],
          "value": "Improper Session Invalidation after Authentication Credential Change vulnerability in team-alembic ash_authentication allows an attacker holding a victim\u0027s session token to stay signed in after the victim resets or changes their password.\n\nWith apply_on_password_change? true, AshAuthentication.AddOn.LogOutEverywhere.Transformer adds OnPasswordChange to update actions as a global change guarded by where: changing(hashed_password). That condition is evaluated before the action\u0027s before_action hooks run, but AshAuthentication.Strategy.Password.HashPasswordChange sets the new hash in a before_action hook, so for every non-atomic password change the condition is false and the user\u0027s stored tokens are not revoked. The generated password reset action and the installer\u0027s change_password action are both non-atomic.\n\nThis issue affects ash_authentication: from 4.5.0 before 4.15.1 and from 5.0.0-rc.0 before 5.0.0-rc.16."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-60",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-60 Reusing Session IDs (aka Session Replay)"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1466",
              "description": "CWE-1466 Improper Session Invalidation after Authentication Credential Change",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-03T19:19:26.188Z",
        "orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
        "shortName": "EEF"
      },
      "references": [
        {
          "name": "`log_out_everywhere` in AshAuthentication leaves sessions valid after a password reset or non-atomic password change",
          "tags": [
            "vendor-advisory",
            "related"
          ],
          "url": "https://github.com/team-alembic/ash_authentication/security/advisories/GHSA-j6f8-qcj9-gh4r"
        },
        {
          "name": "EEF CNA record for CVE-2026-110826",
          "tags": [
            "related"
          ],
          "url": "https://cna.erlef.org/cves/CVE-2026-110826.html"
        },
        {
          "name": "OSV record EEF-CVE-2026-110826",
          "tags": [
            "related"
          ],
          "url": "https://osv.dev/vulnerability/EEF-CVE-2026-110826"
        },
        {
          "name": "Introducing commit 0993f94 in team-alembic/ash_authentication",
          "tags": [
            "related"
          ],
          "url": "https://github.com/team-alembic/ash_authentication/commit/0993f944fbd8d668f941d2ca818da4a1d5917641"
        },
        {
          "name": "Fix commit 954697f in team-alembic/ash_authentication",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/team-alembic/ash_authentication/commit/954697f168d55112b5050acddcd936b8bc1fba2b"
        },
        {
          "name": "Fix commit 2baef4e in team-alembic/ash_authentication",
          "tags": [
            "patch"
          ],
          "url": "https://github.com/team-alembic/ash_authentication/commit/2baef4eddeb604569d3564273d03eeef438e002c"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "AshAuthentication log_out_everywhere leaves sessions valid after a password reset or non-atomic password change"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
    "assignerShortName": "EEF",
    "cveId": "CVE-2026-110826",
    "datePublished": "2026-11-03T19:19:26.188Z",
    "dateReserved": "2026-11-03T03:00:02.226Z",
    "dateUpdated": "2026-11-03T19:40:08.522Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}