CVE-2026-4629

MediumCVSS 6.5/10Last modified Oct 22, 2026

Description

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-266

Affected software

No affected versions have been published.

Timeline

Published
Jun 30, 2026
Last modified
Oct 22, 2026
NVD status
Modified

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