CVE-2026-4629
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Redhat Build Of Keycloak
PublishedJun 30, 2026
First seenJun 30, 2026
Weakness typeCWE-266CWE-266
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat build_of_keycloak | No range specified | — |
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