High severity7.5NVD Advisory· Published Aug 13, 2026· Updated Sep 3, 2026
CVE-2026-73623
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.
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Affected products
2- Range: <3.1.54
Patches
Vulnerability mechanics
References
2- github.com/gitpython-developers/GitPython/security/advisories/GHSA-6p8h-3wgx-97gfnvdExploitVendor Advisory
- www.vulncheck.com/advisories/gitpython-before-remote-code-execution-via-templatenvdThird Party Advisory
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