CVE-2026-87817

Name	CVE-2026-87817
Description	GitPython before 3.1.60 fails to properly validate the git directory location, allowing attackers to impersonate the git directory using tracked files like gitdir, commondir, and HEAD. Attackers can execute arbitrary code by placing a malicious pre-commit hook in the tracked hooks directory that executes when a victim calls index.commit() on a cloned or opened repository.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-git (PTS)	bookworm	3.1.30-1+deb12u2	vulnerable
	trixie	3.1.44-1	vulnerable
	forky, sid	3.1.61-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-git	source	(unstable)	3.1.61-1

https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-239g-whfq-7xj9