CVE-2026-42215

GitPython is a python library used to interact with Git repositories. From version 3.1.30 to before version 3.1.47, GitPython blocks dangerous Git options such as --upload-pack and --receive-pack by default, but the equivalent Python kwargs upload_pack and receive_pack bypass that check. If an application passes attacker-controlled kwargs into Repo.clone_from(), Remote.fetch(), Remote.pull(), or Remote.push(), this leads to arbitrary command execution even when allow_unsafe_options is left at its default value of False. This issue has been patched in version 3.1.47.

• CWE-78

• https://github.com/gitpython-developers/GitPython/releases/tag/3.1.47Patch, Release Notes
• https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-rpm5-65cw-6hj4Exploit, Vendor Advisory
• https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-rpm5-65cw-6hj4Exploit, Vendor Advisory

Published

May 7, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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