{"id":"BIT-keycloak-2026-11986","summary":"Keycloak-rest-admin-ui-ext: authorization bypass vulnerability in the admin-ui-ext bulk role-mapping-delete endpoints of keycloak","details":"A flaw was found in the admin-ui-ext component of Keycloak, which provides extended administrative user interface capabilities. The issue occurs because certain bulk role-removal endpoints fail to perform granular permission checks when deleting role mappings. This allows a delegated administrator with limited permissions to remove highly privileged roles from other users or groups, potentially disrupting administrative access control.","aliases":["CVE-2026-11986","GHSA-6w3v-mcfh-m3q7"],"modified":"2026-09-08T08:48:06.606933487Z","published":"2026-08-25T11:41:32.393Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:redhat:build_of_keycloak:*:*:*:*:*:*:*:*","cpe:2.3:a:keycloak:keycloak:*:*:*:*:*:*:*:*"]},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:50848"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:50849"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-11986"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487906"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-11986"}],"affected":[{"package":{"name":"keycloak","ecosystem":"Bitnami","purl":"pkg:bitnami/keycloak"},"ranges":[{"type":"SEMVER","events":[{"introduced":"26.6.0"},{"fixed":"26.6.5"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/keycloak/BIT-keycloak-2026-11986.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N"}]}],"schema_version":"1.9.0"}