CVE-2026-73623

Description

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.

CVSS Vector

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