SB2026011954 - Server-Side Template Injection in kimai2
Published: January 19, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Neutralization of Special Elements Used in a Template Engine (CVE-ID: CVE-2026-23626)
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to server-side template injection (SSTI) issue. A remote administrator can deploy a malicious Twig template that extracts sensitive information.
Remediation
Install update from vendor's website.