{"id":"CVE-2018-10894","aliases":["GHSA-xvv8-8wh9-9fh2"],"url":"https://o3.security/vulnerability/CVE-2018-10894","summary":"Keycloak Authentication Error","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.","published":"2018-08-01T17:29:00.347Z","modified":"2026-08-07T11:31:30.128332925Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"},"epss":{"score":0.00352,"percentile":0.28172,"asOf":"2026-09-08"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-saml-adapter-core","fixedVersion":"4.4.0.Final"},{"ecosystem":"Maven","name":"org.keycloak:keycloak-services","fixedVersion":"4.4.0.Final"}],"fix":null,"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:30.128332925Z"}}