CVE-2026-73620

High

Description

GitPython before 3.1.57 fails to guard git option forwarding in IndexFile.checkout() and TagReference.create(), allowing attackers to pass unsafe options via kwargs. Attackers can use --prefix to overwrite arbitrary files with repository content or -F to read arbitrary files returned in-band.

SeverityHigh

CVSS8.1

Exploit probability—

ProductGitpython

PublishedAug 13, 2026

First seenAug 13, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

gitpython_project gitpython3.1.57 or later
gitpython3.1.57 or later

Vendor advisories

github.com/gitpython-developers/GitPython/security/advisories/GHSA-3f7w-8rr8-f37f

Affected products

Product	Affected versions	Fixed in
gitpython_project gitpython	v < 3.1.57	3.1.57
gitpythonPyPI	v < 3.1.57	3.1.57

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