CVE-2026-17526
Published:September 16, 2026
Updated:September 22, 2026
Keycloak is an open-source identity and access management solution. A vulnerability was discovered where a user with the impersonation role can impersonate a realm administrator. This allows the attacker to gain full administrative control over the realm, including the ability to manage users, clients, and roles.
Affected Packages
https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=3.2.0.CR1 <26.4.16Fix Suggestion:
Update to version 26.4.16https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=26.5.0 <26.6.7Fix Suggestion:
Update to version 26.6.7https://github.com/keycloak/keycloak.git (GITHUB):
Affected version(s) >=26.7.0 <26.7.4Fix Suggestion:
Update to version 26.7.4org.keycloak:keycloak-services (JAVA):
Affected version(s) >=3.2.0.CR1 <26.7.4Fix Suggestion:
Update to version 26.7.4Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.6
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
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authorization
EPSS
Base Score:
0.45