6.5
Medium
CVE-2026-4629 A flaw was found in Keycloak
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Build of Keycloak | Versions not published | |
| Red Hat build of Keycloak 26.4 26.4 | earliest → < 26.4-22 | 26.4-22 |
| Red Hat build of Keycloak 26.4.14 | Versions not published | |
| Red Hat build of Keycloak 26.6.5 | Versions not published |
References
- RHSA-2026:50846 access.redhat.com
- RHSA-2026:50847 access.redhat.com
- RHSA-2026:50848 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2450244 bugzilla.redhat.com
Timeline
- Published
- Last modified
Other CVEs of Red Hat Build of Keycloak
The 266 CVEs of Red Hat Build of Keycloak →
CVE-2026-97847
Keycloak-services: keycloak-services: client manager can substitute sessionless token principal via hardcoded-claim mappers to obtain realm administrator authority
7.1
High
CVE-2026-97175
Keycloak-services: keycloak-services: unverified idp email auto-linking enables account takeover
8.8
High
CVE-2026-97174
Keycloak-services: keycloak-services: ciba sub parameter injection causes attacker authentication to issue victim tokens
6.8
Medium
CVE-2026-96453
Org.keycloak/keycloak-admin-cli: keycloak-admin-cli: kcadm custom truststore accepts arbitrary self-signed certificates
8.0
High