CVE-2026-73623

EUVD-2026-57792
GitPython before 3.1.54 contains an incomplete denylist in unsafe_git_clone_options that omits --template, allowing attackers to achieve arbitrary command execution during clone operations. Attackers can supply --template pointing to a directory containing malicious post-checkout hooks that execute when git clones the repository.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 62.02%
Affected Products (NVD)
VendorProductVersion
gitpython_projectgitpython
𝑥
< 3.1.54
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-git
bookworm
vulnerable
bookworm (security)
3.1.30-1+deb12u3
fixed
forky
3.2.1-1
fixed
sid
3.2.1-1
fixed
trixie
vulnerable
trixie (security)
3.1.44-1+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-git
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-6p8h-3wgx-97gf
https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-template
https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-6p8h-3wgx-97gf