{"id":"CVE-2026-105118","title":"OpenAM before 16.1.3 contains an open redirect vulnerability that allows unauthenticated attackers to redirect users by supplying an unverified id_token_hint to the /oauth2/connect/endSession endpoint","summary":"OpenAM before 16.1.3 contains an open redirect vulnerability that allows unauthenticated attackers to redirect users by supplying an unverified id_token_hint to the /oauth2/connect/endSession endpoint. Attackers can name any realm client…","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-347"],"vendor":"OpenIdentityPlatform","product":"OpenAM","affected":["OpenAM < 16.1.3"],"published":"2026-10-03","updated":"2026-10-03","sourceUpdated":"2026-10-03T14:16:38.563","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-105118","references":[{"url":"https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-6f8c-crwq-jqm3","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openam-before-16.1.3-open-redirect-via-unverified-id-token-hint-in-endsession","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-03T14:47:06.464Z","slug":"CVE-2026-105118","body":"## Overview\n\nOpenAM before 16.1.3 contains an open redirect vulnerability that allows unauthenticated attackers to redirect users by supplying an unverified id_token_hint to the /oauth2/connect/endSession endpoint. Attackers can name any realm client in a forged hint to redirect victims to any registered post-logout URI, enabling phishing that borrows the OpenAM host's trust.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}