{"id":"BIT-keycloak-2026-16105","summary":"Keycloak-services: keycloak-services: missing per-role authorization on rolecontainerresource composite endpoints","details":"A flaw was found in the RoleContainerResource component of Keycloak. The issue occurs because certain name-based endpoints in the admin REST API do not properly enforce authorization checks when managing composite roles. This allows a delegated administrator with manage-realm permissions to remove essential child roles from built-in admin roles, potentially disrupting administrative functions within a realm.","aliases":["CVE-2026-16105"],"modified":"2026-09-17T14:45:07.248213006Z","published":"2026-08-31T14:37:01.641Z","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/security/cve/CVE-2026-16105"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2501738"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16105"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:68277"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:68278"}],"affected":[{"package":{"name":"keycloak","ecosystem":"Bitnami","purl":"pkg:bitnami/keycloak"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"26.7.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/keycloak/BIT-keycloak-2026-16105.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"}