CVE-2026-3121
MEDIUMKeycloak: org.keycloak/keycloak-services: keycloak: privilege escalation via manage-clients permission
Title source: cnaDescription
A flaw was found in Keycloak. An administrator with `manage-clients` permission can exploit a misconfiguration where this permission is equivalent to `manage-permissions`. This allows the administrator to escalate privileges and gain control over roles, users, or other administrative functions within the realm. This privilege escalation can occur when admin permissions are enabled at the realm level.
References (4)
Core 4
Core References
Vdb Entry, X_Refsource_Redhat vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-3121
Issue Tracking, X_Refsource_Redhat issue-tracking
x_refsource_redhat
RHBZ#2442277
https://bugzilla.redhat.com/show_bug.cgi?id=2442277
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:6477
https://access.redhat.com/errata/RHSA-2026:6477
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:6478
https://access.redhat.com/errata/RHSA-2026:6478
Scores
CVSS v3
6.5
EPSS
0.0047
EPSS Percentile
36.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-266
Status
published
Products (12)
org.keycloak/keycloak-services
0 - 26.5.6Maven
Red Hat/Red Hat Build of Keycloak
Red Hat/Red Hat build of Keycloak 26.4
26.4-14
Red Hat/Red Hat build of Keycloak 26.4
26.4.11-1
Red Hat/Red Hat build of Keycloak 26.4.11
Red Hat/Red Hat JBoss Enterprise Application Platform 8
Red Hat/Red Hat JBoss Enterprise Application Platform Expansion Pack
Red Hat/Red Hat Single Sign-On 7
redhat/build_of_keycloak
redhat/jboss_enterprise_application_platform
8.0.0
... and 2 more
Published
Mar 26, 2026
Tracked Since
Mar 27, 2026