Description

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.

INFO

Published Date :

2026-03-26T19:13:26.086Z

Last Modified :

2026-04-02T16:39:35.672Z

Source :

redhat
AFFECTED PRODUCTS

The following products are affected by CVE-2026-3121 vulnerability.

Vendors Products
Keycloak
  • Keycloak
Redhat
  • Build Keycloak
  • Build Of Keycloak
  • Jboss Enterprise Application Platform
  • Jboss Enterprise Application Platform Expansion Pack
  • Jbosseapxp
  • Red Hat Single Sign On
  • Single Sign-on
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3121.

URL Resource
https://access.redhat.com/errata/RHSA-2026:6477 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2026:6478 cve-icon cve-icon
https://access.redhat.com/security/cve/CVE-2026-3121 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2442277 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-3121 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-3121 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact