{"id":"CVE-2022-1466","aliases":["GHSA-f32v-vf79-p29q"],"url":"https://o3.security/vulnerability/CVE-2022-1466","summary":"Improper authorization in Keycloak","details":"Due to improper authorization, Red Hat Single Sign-On is vulnerable to users performing actions that they should not be allowed to perform. It was possible to add users to the master realm even though no respective permission was granted.","published":"2022-04-26T18:33:22Z","modified":"2026-08-12T03:51:14.615702142Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"Maven","name":"org.keycloak:keycloak-core","fixedVersion":"17.0.1"}],"fix":null,"references":[{"type":"WEB","url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-076.txt"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1466.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-1466"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2050228"},{"type":"ARTICLE","url":"https://www.syss.de/pentest-blog/fehlerhafte-autorisierung-bei-red-hat-single-sign-on-750ga-syss-2021-076"},{"type":"PACKAGE","url":"https://github.com/keycloak/keycloak"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:14.615702142Z"}}