{"id":"EM-20261105-X2BT","url":"https://cyber.eventmonitor.net/incident/EM-20261105-X2BT/saml-vulnerability-cve-2026-93998/","type":"cve","title":"SAML Vulnerability (CVE-2026-93998)","subtitle":"CVE-2026-93998","subject":"CVE-2026-93998","status":"Developing","severity":"high","affected":[],"headline":null,"born":"2026-11-05T18:17:11.053Z","firstSignal":"2026-11-05T00:00:00.000Z","lastSignal":"2026-11-05T18:17:11.053Z","updated":"2026-11-06T00:58:29.349Z","revision":1,"life":[{"status":"Born","at":"2026-11-05T18:17:11.053Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-05T18:17:11.053Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-05T00:00:00.000Z","what":"First signal: C41 Red Hat Security Data"},{"at":"2026-11-05T18:17:11.053Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261105-X2BT created."}],"stages":[{"name":"Disclosed","at":"2026-11-05T18:17:11.053Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-05T18:17:11.053Z","detail":"CVSS 7.4"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":"2026-11-05T00:00:00.000Z","detail":"C41 published"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-05T00:00:00.000Z","source":"C41","sourceName":"Red Hat Security Data","role":"Vendor","severity":3,"title":"Red Hat: CVE-2026-93998 (important)","text":"keycloak-core: keycloak-core: SAML adapter does not bind signed assertions to the configured identity provider issuer","url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-93998.json"},{"at":"2026-11-05T18:17:11.053Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":3,"title":"CVE-2026-93998 (CVSS 7.4)","text":"A flaw was found in the SAML adapter component of Keycloak, which is used to secure applications with SAML-based authentication. The adapter fails to verify that the issuer of a signed SAML assertion matches the expected identity provider configured for the application. If multiple identity providers share the same trusted signing key, an attacker who controls one of those providers can create a validly signed assertion to log into the application as any user, potentially gaining full administrative control.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93998"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-05T18:17:11.053","score":7.4,"severity":"HIGH","desc":"A flaw was found in the SAML adapter component of Keycloak, which is used to secure applications with SAML-based authentication. The adapter fails to verify that the issuer of a signed SAML assertion matches the expected identity provider configured for the application. If multiple identity provider","product":"","seen":1793917591435},"kev":null,"epss":null,"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}