SB2025111773 - Insecure session management in Keycloak
Published: November 17, 2025
Security Bulletin ID
SB2025111773
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insufficient session expiration (CVE-ID: CVE-2025-12110)
The vulnerability allows a remote attacker to compromise session of other users.
The vulnerability exists due to Keycloak does not invalidate offline sessions when the offline_access scope is removed. The refresh token is accepted and you can continue to request new tokens for the session. A remote authenticated attacker can compromise sessions of other user accounts.
Remediation
Install update from vendor's website.