{"id":"CVE-2026-123550","aliases":[],"cve":{"records":[{"id":"CVE-2026-123550","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-06T00:49:30.576Z","published":"2026-11-08T01:37:54.178Z","modified":"2026-11-09T13:58:53.766Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-11-08T01:37:54.178Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-09T13:58:53.766Z"}],"references":[{"url":"https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-3j2f-qhrc-rjfj","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/openam-before-16.1.4-saml-authentication-bypass-via-unsigned-assertions","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-290","description":"Authentication Bypass by Spoofing","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openidentityplatform:openam:*:*:*:*:*:*:*:*","versionEndExcluding":"16.1.4"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:openidentityplatform:openam:*:*:*:*:*:*:*:*","versionEndExcluding":"16.1.4"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-09T13:58:44.479427Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"yes"},{"name":"Technical Impact","value":"total"}]}]},"title":"OpenAM before 16.1.4 SAML Authentication Bypass via Unsigned Assertions","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"OpenAM before 16.1.4 contains an authentication bypass vulnerability in its SAML v2.0 service provider that accepts unsigned assertions on the ECP (PAOS) and HTTP-Artifact bindings when WantAssertionsSigned is false. Unauthenticated remote attackers can submit forged assertions to obtain sessions as any mapped user, including administrators, and hijack single sign-on to dependent applications.","score":9.8,"severity":"critical","published":"2026-11-08T01:37:54.178Z","modified":"2026-11-09T13:58:53.766Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"OpenIdentityPlatform","name":"OpenAM","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"16.1.4","versionType":"semver"},{"version":"16.1.4","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:maven/org.openidentityplatform.openam/openam-federation-library","packageIdentity":{"ecosystem":"Maven","name":"org.openidentityplatform.openam:openam-federation-library"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-123550"},{"vendor":"OpenIdentityPlatform","name":"OpenAM","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"16.1.4","versionType":"semver"},{"version":"16.1.4","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:maven/org.openidentityplatform.openam/openam-auth-saml2","packageIdentity":{"ecosystem":"Maven","name":"org.openidentityplatform.openam:openam-auth-saml2"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-123550"}],"remediation":[],"references":["https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-3j2f-qhrc-rjfj","https://www.vulncheck.com/advisories/openam-before-16.1.4-saml-authentication-bypass-via-unsigned-assertions"],"sources":[{"name":"CVE","id":"CVE-2026-123550","modified":"2026-11-09T13:58:53.766Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-123550"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}],"sourceAffected":[],"observedAt":"2026-11-09T14:11:11.043Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T05:05:31.892Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-08T03:15:32.158Z","attemptedAt":"2026-11-08T03:15:32.158Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-08T03:15:32.158Z","attemptedAt":"2026-11-08T03:15:32.158Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-08T03:15:33.784Z","attemptedAt":"2026-11-08T03:15:33.784Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-08T03:15:32.158Z","attemptedAt":"2026-11-08T03:15:32.158Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-123550","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123550","modified":"2026-11-08T02:16:46.410","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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","checkedAt":"2026-11-08T03:15:32.158Z"},{"source":"NVD","id":"CVE-2026-123550","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123550","modified":"2026-11-08T02:16:46.410","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-11-08T03:15:32.158Z"},{"source":"ENISA EUVD","id":"EUVD-2026-119435","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-119435","modified":"Nov 8, 2026, 1:37:54 AM","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-11-08T03:15:33.784Z"}],"aiSummary":{"text":"OpenAM before 16.1.4 has an authentication bypass vulnerability via unsigned SAML assertions. Unauthenticated remote attackers can submit forged assertions to obtain sessions.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-08T02:21:21.514Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-123550"}]}}