Privilege escalation in Red Hat Build Of Keycloak 26.4
CVE-2026-3121
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 contr…
EPSS: 0.005 (38.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Red Hat Build Of Keycloak 26.4 — versions 26.4.11-1, 26.4-14
- Red Hat Build Of Keycloak 26.4.11
- Red Hat Jboss Enterprise Application Platform 8
- Red Hat Jboss Enterprise Application Platform Expansion Pack
- Red Hat Single Sign-on 7
- Redhat Build_of_keycloak
- Redhat Jboss_enterprise_application_platform — versions 8.0.0
- Redhat Jboss_enterprise_application_platform_expansion_pack
- Redhat Single_sign-on — versions 7.0
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vendor-advisory)
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-3121?
- CVE-2026-3121 is a medium-severity vulnerability in Red Hat Build Of Keycloak 26.4, classified under Incorrect Privilege Assignment. CVSS score: 6.5/10. Published 2026-03-26.
- How severe is CVE-2026-3121?
- Medium severity. CVSS v3 base score is 6.5 out of 10.