GitPython before 3.1.51 contains an incomplete command injection blocklist that fails to account for git's long-option prefix abbreviation feature. Attackers can bypass the unsafe options guard by using abbreviated option names like upload_p instead of upload_pack, which git resolves to dangerous options and executes arbitrary commands.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-2f96-g7mh-g2hx Exploit, Vendor Advisory
- https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-2f96-g7mh-g2hx Exploit, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 8.7 · gitpython_projectNVD modified 2026-10-23 23:10
Affected (CPE criteria) 1
cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:*
References 3
- https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-2f96-g7mh-g2hx Exploit, Vendor Advisory
- https://www.vulncheck.com/advisories/gitpython-before-command-injection-via-option-prefix-abbreviation Third Party Advisory
- https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-2f96-g7mh-g2hx Exploit, Vendor Advisory