{"action":"Upgrade org.keycloak:keycloak-services to 15.1.1 or later.","affected":[{"fixed":"15.1.1","introduced":"0"}],"component":"org.keycloak:keycloak-services","cve_ids":["CVE-2021-4133"],"ecosystem":"Maven","epss":0.01373,"exploited":false,"fixed_versions":["15.1.1"],"ghsa_id":"GHSA-83x4-9cwr-5487","id":"tcs_01M5N8KPHYP94VT399KRYKX2VC","modified_at":"2026-07-16T03:59:28.131012483Z","published_at":"2022-01-06T18:32:58Z","references":["https://osv.dev/vulnerability/GHSA-83x4-9cwr-5487","https://github.com/keycloak/keycloak/security/advisories/GHSA-83x4-9cwr-5487","https://nvd.nist.gov/vuln/detail/CVE-2021-4133","https://github.com/keycloak/keycloak/issues/9247","https://bugzilla.redhat.com/show_bug.cgi?id=2033602","https://github.com/keycloak/keycloak","https://www.oracle.com/security-alerts/cpuapr2022.html"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-83x4-9cwr-5487","url":"https://osv.dev/vulnerability/GHSA-83x4-9cwr-5487"}],"summary":"Improper Authorization in Keycloak"}