SB2025111772 - Insufficient session expiration in Keycloak
Published: November 17, 2025
Security Bulletin ID
SB2025111772
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-2025-11429)
The vulnerability allows a remote attacker to compromise sessions of other users.
The vulnerability exists due to Keycloak does not immediately enforce the disabling of the "Remember Me" realm setting on existing user sessions. Sessions created while "Remember Me" was active retain their extended session lifetime until they expire, overriding the administrator's recent security configuration change. A remote attacker can hijack sessions of other users during a short period of time.
Remediation
Install update from vendor's website.