{"id":"CVE-2026-115546","aliases":["EUVD-2026-108568","GHSA-pqrr-j665-pf8m"],"status":"published","title":"Authentication Source Verification Issue in Okta Access Gateway","description":"Okta Access Gateway (OAG) does not validate the selected authentication source during sign-on. An authenticated user with an active session can modify the authentication source parameter, which may generate a SAML assertion granting access to the Admin Console.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.0042,"percentile":0.3682,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-639"],"published":"2026-10-23T03:06:37Z","modified":"2026-10-23T16:44:17Z","products":[{"vendor":"okta","product":"okta access gateway"}],"references":[{"url":"http://trust.okta.com/security-advisories/authentication-source-verification-issue-in-okta-access-gateway-cve-2026-115546"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115546"},{"url":"https://github.com/advisories/GHSA-pqrr-j665-pf8m"}],"sources":{"cve":[{"id":"CVE-2026-115546","title":"Authentication Source Verification Issue in Okta Access Gateway","description":"Okta Access Gateway (OAG) does not validate the selected authentication source during sign-on. An authenticated user with an active session can modify the authentication source parameter, which may generate a SAML assertion granting access to the Admin Console.","status":"published","published":"2026-10-23T03:06:37.23Z","modified":"2026-10-23T10:56:08.332Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-639","CWE-287"],"updated_at":"2026-11-02T14:20:01.618694Z"}],"euvd":[{"id":"EUVD-2026-108568","description":"Okta Access Gateway (OAG) does not validate the selected authentication source during sign-on. An authenticated user with an active session can modify the authentication source parameter, which may generate a SAML assertion granting access to the Admin Console.","status":"published","published":"2026-10-23T03:06:37Z","modified":"2026-10-23T10:56:08Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:59:33.058354Z"}],"ghsa":[{"id":"GHSA-pqrr-j665-pf8m","title":"Okta Access Gateway (OAG) does not validate the selected authentication source during sign-on. An...","description":"Okta Access Gateway (OAG) does not validate the selected authentication source during sign-on. An authenticated user with an active session can modify the authentication source parameter, which may generate a SAML assertion granting access to the Admin Console.","status":"published","published":"2026-10-23T06:31:26Z","modified":"2026-10-23T06:31:32Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:14:18.846384Z"}],"nvd":[{"id":"CVE-2026-115546","description":"Okta Access Gateway (OAG) does not validate the selected authentication source during sign-on. An authenticated user with an active session can modify the authentication source parameter, which may generate a SAML assertion granting access to the Admin Console.","status":"published","published":"2026-10-23T04:18:15.047Z","modified":"2026-10-23T16:44:17.95Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-287","CWE-639"],"updated_at":"2026-11-02T14:13:02.724605Z"}]}}