{"id":"CVE-2023-0091","aliases":[],"url":"https://o3.security/vulnerability/CVE-2023-0091","summary":"Keycloak has lack of validation of access token on client registrations endpoint","details":"When a service account with the create-client or manage-clients role can use the client-registration endpoints to create/manage clients with an access token.\n\nIf the access token is leaked, there is an option to revoke the specific token. However, the check is not performed in client-registration endpoints.","published":"2023-01-12T23:39:39Z","modified":"2023-11-08T04:11:05.394649Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},"epss":{"score":0.00466,"percentile":0.38664,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-core","fixedVersion":"20.0.3"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/keycloak/keycloak/security/advisories/GHSA-v436-q368-hvgg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-0091"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2023-0091"},{"type":"PACKAGE","url":"https://github.com/keycloak/keycloak"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2023-11-08T04:11:05.394649Z"}}