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 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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2026:6477
https://access.redhat.com/errata/RHSA-2026:6478
https://access.redhat.com/security/cve/CVE-2026-3121	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2442277	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:redhat:build_of_keycloak:-::::-:::
	cpe:2.3:a:redhat:jboss_enterprise_application_platform:8.0.0:::::::*
	cpe:2.3:a:redhat:jboss_enterprise_application_platform_expansion_pack:-:::::::*
	cpe:2.3:a:redhat:single_sign-on:7.0:::::::*

History

No history.

Information

Published : 2026-03-26 19:17

Updated : 2026-06-17 10:43

NVD link : CVE-2026-3121

Mitre link : CVE-2026-3121

CVE.ORG link : CVE-2026-3121

JSON object : View

Products Affected

redhat

build_of_keycloak
jboss_enterprise_application_platform_expansion_pack
single_sign-on
jboss_enterprise_application_platform

CWE

CWE-266

Incorrect Privilege Assignment

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