CVE-2025-27614: j6t Gitk

High severity, CVSS 8.6. EPSS: 0.4% chance of exploitation in the next 30 days.

Gitk is a Tcl/Tk based Git history browser. Starting with 2.41.0, a Git repository can be crafted in such a way that with some social engineering a user who has cloned the repository can be tricked into running any script (e.g., Bourne shell, Perl, Python, ...) supplied by the attacker by invoking gitk filename, where filename has a particular structure. The script is run with the privileges of the user. This vulnerability is fixed in 2.43.7, 2.44.4, 2.45.4, 2.46.4, 2.47.3, 2.48.2, 2.49.1, and 2.50.

Affected products

• j6t Gitk: from 2.41.0, before 2.43.7 (fixed in 2.43.7); from 2.44.0, before 2.44.4 (fixed in 2.44.4); from 2.45.0, before 2.45.4 (fixed in 2.45.4); from 2.46.0, before 2.46.4 (fixed in 2.46.4); from 2.47.0, before 2.47.3 (fixed in 2.47.3); from 2.48.0, before 2.48.2 (fixed in 2.48.2); …

Published 2025-07-10. Last modified 2026-06-17.