SB2026011954 - Server-Side Template Injection in kimai2
Published: January 19, 2026
Security Bulletin ID
SB2026011954
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Neutralization of Special Elements Used in a Template Engine (CVE-ID: CVE-2026-23626)
CWE-ID: CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N/E:P/U:Clear
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.