CVE-2026-42284

Summary

GitPython is a python library used to interact with Git repositories. Prior to version 3.1.47, _clone() validates multi_options as the original list, then executes shlex.split(" ".join(multi_options)). A string like "–branch main –config core.hooksPath=/x" passes validation (starts with –branch), but after split becomes ["–branch", "main", "–config", "core.hooksPath=/x"]. Git applies the config and executes attacker hooks during clone. This issue has been patched in version 3.1.47.

Affected Software

Weaknesses

• CWE-88: CWE-88: Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

Additional References

• https://www.tenable.com/cve/CVE-2026-32686

References

• https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-x2qx-6953-8485
• https://github.com/gitpython-developers/GitPython/releases/tag/3.1.47

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