{"affected":[{"defaultStatus":"unaffected","ecosystem":"maven","packageName":"org.openidentityplatform.openam/openam-federation-library","product":"OpenAM","source":"CNA: VulnCheck","vendor":"OpenIdentityPlatform","versions":[{"lessThan":"16.1.4","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"16.1.4","versionType":"semver"}]}],"cveId":"CVE-2026-123541","cwes":["CWE-601"],"description":"OpenAM before 16.1.4 contains an open redirect vulnerability that allows remote attackers to redirect users after SAML 1.x single sign-on by exploiting loose trusted-partner destination matching. Attackers can craft links to /SAMLAwareServlet or /SAMLPOSTProfileServlet with a destination host resembling a trusted partner to send authenticated users to attacker-controlled phishing sites.","epss":{"date":"2026-11-10","percentile":0.1453,"score":0.00235},"exploits":[],"kev":null,"metrics":[{"score":5.3,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","version":"4.0"},{"score":4.7,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","version":"3.1"},{"score":5.3,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":4.7,"severity":"medium","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","version":"3.1"}],"modifiedAt":1794333552684,"publishedAt":1794101867953,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-rw43-r238-4c7j"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openam-before-16.1.4-open-redirect-via-saml-1-x-trusted-partner-matching"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-rw43-r238-4c7j"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/openam-before-16.1.4-open-redirect-via-saml-1-x-trusted-partner-matching"}],"remediation":[],"revision":"86abac8d4a0331551fb6bb02f9a4e22aa871209c1fdd29dfbd1bb96d9ee3ecf9","sources":[{"modifiedAt":1794333552684,"name":"CNA: VulnCheck","retrievedAt":1794334208712,"url":"https://www.cve.org/CVERecord?id=CVE-2026-123541"},{"modifiedAt":1794104204947,"name":"NVD","retrievedAt":1794118571522,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123541"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794334236265,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-123541"}],"ssvc":{"assessedAt":1794328151406,"automatable":"yes","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"OpenAM before 16.1.4 Open Redirect via SAML 1.x Trusted-Partner Matching","updatedAt":1794334236265}