{"schema":"threatline.record/2","record":{"id":"CVE-2026-89209","aliases":[],"summary":"A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 11 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 9 compatible) (All ve","details":"A vulnerability has been identified in Mendix SAML (Mendix 10 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 11 compatible) (All versions < V4.2.4), Mendix SAML (Mendix 9 compatible) (All versions < V3.6.29). Affected versions of the module do not properly protect against SAML assertion replay in IdP-initiated authentication flows. This could allow unauthenticated remote attackers to gain unauthorized access to the application by replaying a valid SAML response.","categories":["Unclassified"],"product":"Mendix SAML (Mendix 10 compatible)","vendor":"Siemens","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89209","source_modified_at":"2026-10-26T10:41:01.088Z","fetched_at":"2026-10-26T12:48:13.248886Z","product":"Mendix SAML (Mendix 10 compatible)","vendor":"Siemens","versions":[{"status":"affected","version":"0","lessThan":"V4.2.4","versionType":"custom"}],"defaultStatus":"unknown"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89209","source_modified_at":"2026-10-26T10:41:01.088Z","fetched_at":"2026-10-26T12:48:13.248886Z","product":"Mendix SAML (Mendix 11 compatible)","vendor":"Siemens","versions":[{"status":"affected","version":"0","lessThan":"V4.2.4","versionType":"custom"}],"defaultStatus":"unknown"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-89209","source_modified_at":"2026-10-26T10:41:01.088Z","fetched_at":"2026-10-26T12:48:13.248886Z","product":"Mendix SAML (Mendix 9 compatible)","vendor":"Siemens","versions":[{"status":"affected","version":"0","lessThan":"V3.6.29","versionType":"custom"}],"defaultStatus":"unknown"}],"fixed_versions":[],"cvss":6.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T10:41:01.088Z","modified_at":"2026-10-26T10:41:01.088Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-89209","fetched_at":"2026-10-26T12:48:13.248886Z","source_modified_at":"2026-10-26T10:41:01.088Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://cert-portal.siemens.com/productcert/html/ssa-137528.html"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T10:41:01.088Z","content_hash":"feab2e37d25ba9f326fc40d2a18a4c25abd13aa6f0eceaca51729f41dc68b214"}}