{"id":"CVE-2018-10894","details":"It was found that SAML authentication in Keycloak 3.4.3.Final incorrectly authenticated expired certificates. A malicious user could use this to access unauthorized data or possibly conduct further attacks.","aliases":["GHSA-xvv8-8wh9-9fh2"],"modified":"2026-08-07T11:31:30.128332925Z","published":"2018-08-01T17:29:00.347Z","database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:redhat:single_sign-on:7.2:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.2"},{"last_affected":"7.2"}],"source":"CPE_STRING","vendor_product":"redhat:single_sign-on"}]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3592"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3593"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2018:3595"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0877"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10894"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/keycloak/keycloak","events":[{"introduced":"517588ecca8e8749c70c7a28706fc405623617d3"},{"last_affected":"517588ecca8e8749c70c7a28706fc405623617d3"}],"database_specific":{"extracted_events":[{"introduced":"3.4.3"},{"last_affected":"3.4.3"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:redhat:keycloak:3.4.3:*:*:*:*:*:*:*"}}],"versions":["3.4.3","3.4.3.Final"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-10894.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"}]}