CVE-2026-78678

Name	CVE-2026-78678
Description	GitPython versions before 3.1.59 contain an incomplete denylist in the unsafe_git_revision_options guard that omits --contents and -S options, allowing attackers to read arbitrary files by passing these options to Repo.blame(). Attackers can supply revision values like --contents=/etc/passwd to leak file contents through the blame result returned to the caller.
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)	bullseye	3.1.14-1	vulnerable
	bullseye (security)	3.1.14-1+deb11u1	vulnerable
	bookworm	3.1.30-1+deb12u2	vulnerable
	trixie	3.1.44-1	vulnerable
	forky, sid	3.1.50-1	vulnerable

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)	(unfixed)

https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-5xxx-qhh7-9287