CVE-2026-73623

PYSEC-2026-3952 · CVE-2026-73623 · GHSA-6p8h-3wgx-97gf

Published Aug 13, 2026 · Modified Sep 10, 2026

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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.

References

ADVISORY https://www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-template
EVIDENCE https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-6p8h-3wgx-97gf

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CVE-2026-73623

Description

References

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