{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105118","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-03T12:04:36.964Z","datePublished":"2026-10-03T12:14:43.044Z","dateUpdated":"2026-10-03T12:14:43.044Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-10-03T12:14:43.044Z"},"datePublic":"2026-09-18T00:00:00.000Z","title":"OpenAM before 16.1.3 Open Redirect via Unverified id_token_hint in endSession","descriptions":[{"lang":"en","value":"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 in a forged hint to redirect victims to any registered post-logout URI, enabling phishing that borrows the OpenAM host's trust."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Verification of Cryptographic Signature","cweId":"CWE-347","type":"CWE"}]}],"affected":[{"vendor":"OpenIdentityPlatform","product":"OpenAM","defaultStatus":"unaffected","packageURL":"pkg:maven/org.openidentityplatform.openam/openam-oauth2","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"16.1.3"},{"version":"16.1.3","status":"unaffected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openidentityplatform:openam:*:*:*:*:*:*:*:*","versionEndExcluding":"16.1.3"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":2.3,"baseSeverity":"LOW"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-6f8c-crwq-jqm3","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-6f8c-crwq-jqm3)"},{"name":"VulnCheck Advisory: OpenAM before 16.1.3 Open Redirect via Unverified id_token_hint in endSession","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openam-before-16.1.3-open-redirect-via-unverified-id-token-hint-in-endsession"}],"credits":[{"lang":"en","value":"rockmelodies","type":"reporter"},{"lang":"en","value":"santhreal","type":"reporter"},{"lang":"en","value":"maximthomas","type":"finder"},{"lang":"en","value":"tsujiguchitky","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}