CVE-2026-3121
March 26, 2026
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.
Affected Packages
https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=nightly <26.5.6Fix Suggestion:
Update to version 26.5.6https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=nightly <26.5.6Fix Suggestion:
Update to version 26.5.6https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=nightly <26.5.6Fix Suggestion:
Update to version 26.5.6https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=nightly <26.5.6Fix Suggestion:
Update to version 26.5.6https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=nightly <26.5.6Fix Suggestion:
Update to version 26.5.6https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=nightly <26.5.6Fix Suggestion:
Update to version 26.5.6org.keycloak:keycloak-services (JAVA):
Affected version(s) >=1.0-alpha-1 <26.5.6Fix Suggestion:
Update to version 26.5.6org.keycloak:keycloak-services (JAVA):
Affected version(s) >=1.0-alpha-1 <26.5.6Fix Suggestion:
Update to version 26.5.6org.keycloak:keycloak-services (JAVA):
Affected version(s) >=1.0-alpha-1 <26.5.6Fix Suggestion:
Update to version 26.5.6org.keycloak:keycloak-services (JAVA):
Affected version(s) >=1.0-alpha-1 <26.5.6Fix Suggestion:
Update to version 26.5.6org.keycloak:keycloak-services (JAVA):
Affected version(s) >=1.0-alpha-1 <26.5.6Fix Suggestion:
Update to version 26.5.6Related ResourcesĀ (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Incorrect Privilege Assignment
EPSS
Base Score:
0.02