{"id":"CVE-2026-115546","state":"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.","publishedAt":"2026-10-23T03:06:37.230Z","updatedAt":"2026-10-23T10:56:08.332Z","severity":{"score":8.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"Okta"},"assigner":"Okta","products":["Okta Okta Access Gateway"],"affected":[{"vendor":"Okta","product":"Okta Access Gateway","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2026.10.2","versionType":"custom"}]}],"references":["http://trust.okta.com/security-advisories/authentication-source-verification-issue-in-okta-access-gateway-cve-2026-115546"],"weaknesses":["CWE-639","CWE-287"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/115xxx/CVE-2026-115546.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-115546","state":"PUBLISHED","datePublished":"2026-10-23T03:06:37.230Z","dateUpdated":"2026-10-23T10:56:08.332Z","assignerShortName":"Okta","assignerOrgId":"59b22baa-87b2-4371-8e4a-e080df12f74a","dateReserved":"2026-10-22T20:55:19.371Z"},"containers":{"cna":{"title":"Authentication Source Verification Issue in Okta Access Gateway","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Okta","product":"Okta Access Gateway","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"2026.10.2","versionType":"custom"}]}],"references":[{"url":"http://trust.okta.com/security-advisories/authentication-source-verification-issue-in-okta-access-gateway-cve-2026-115546"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key"},{"cweId":"CWE-287","lang":"en","description":"Improper Authentication"}]}],"providerMetadata":{"shortName":"Okta","orgId":"59b22baa-87b2-4371-8e4a-e080df12f74a","dateUpdated":"2026-10-23T03:06:37.230Z"},"solutions":[{"lang":"en","value":"Upgrade the Okta Access Gateway appliance to version 2026.10.2 or greater."}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-115546","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-10-23T10:46:17.787932Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-23T10:56:08.332Z"}}]}}}