{"id":"CVE-2026-11986","title":"A flaw was found in the admin-ui-ext component of Keycloak, which provides extended administrative user interface capabilities","summary":"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 …","severity":"medium","cvss":4.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","cwe":["CWE-425"],"published":"2026-06-11","updated":"2026-08-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-11986","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:50848","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:50849","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-11986","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487906","label":"secalert@redhat.com"}],"tags":["nvd"],"epss":0.00301,"epssPercentile":0.2293,"ingestedAt":"2026-08-06T18:01:39.708Z","slug":"CVE-2026-11986","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":27,"depthScoreParts":{"impact":27,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}