CVE-2023-46245: Kimai

High severity, CVSS 7.2. EPSS: 1.5% chance of exploitation in the next 30 days.

Kimai is a web-based multi-user time-tracking application. Versions prior to 2.1.0 are vulnerable to a Server-Side Template Injection (SSTI) which can be escalated to Remote Code Execution (RCE). The vulnerability arises when a malicious user uploads a specially crafted Twig file, exploiting the software's PDF and HTML rendering functionalities. Version 2.1.0 enables security measures for custom Twig templates.

Affected products

  • Kimai Kimai: up to and including 2.10

Published 2023-10-31. Last modified 2026-06-17.