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Medium · 4.9 CVE-2026-16106 EUVD-2026-45224GHSA-78mv-phq4-25fv

Keycloak-services: keycloak-services: incorrect authorization in admin role-composite deletion allows delegated admin to remove privileged child roles

Published Jul 17, 2026 · Updated Sep 16, 2026 · Assigned by redhat

Description

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.

Affected products

VendorProductAffectedFixed
Red Hat Red Hat build of Keycloak 26.6 — —
Red Hat Red Hat build of Keycloak 26.6.7 — —
Red Hat Red Hat Data Grid 8 — —
Red Hat Red Hat JBoss Enterprise Application Platform Expansion Pack — —
Red Hat Red Hat Single Sign-On 7 — —

Advisories 1

References