PT-2026-53862 · Red Hat · Red Hat Build Of Keycloak

Published 2026-06-30 · Updated 2026-06-30 · CVE-2026-4629

NVD

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

A flaw was found in Keycloak. A highly privileged user with manage-clients permission can exploit this vulnerability by injecting a hardcoded role mapper into any client. This action allows the user to bypass existing scope restrictions and inject the realm-admin role into generated tokens, resulting in privilege escalation and full administrative access to the realm.

Fix

Incorrect Privilege Assignment

Weakness Enumeration

CWE-266

Related Identifiers

CVE-2026-4629

Affected Products

Red Hat Build Of Keycloak

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-4629 · Security Note
• https://bugzilla.redhat.com/show_bug.cgi?id=2450244 · Note
• https://access.redhat.com/security/cve/CVE-2026-4629 · Note