Vulnerability Details CVE-2026-16106
A flaw was found in the admin REST API of Keycloak, a solution for identity and access management. The issue occurs when a delegated administrator attempts to remove a child role from a composite role. Due to missing authorization checks, an attacker with limited administrative permissions can remove privileged roles they are not authorized to manage, leading to a loss of access for other users and administrators.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 26.1%
CVSS Severity
CVSS v3 Score 4.9
References
Products affected by CVE-2026-16106
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cpe:2.3:a:redhat:build_of_keycloak:-