GHSA-v9qv-c7wm-wgmf
GitHub Security Advisory
Composer has multiple command injections via malicious git/hg branch names
✓ GitHub Reviewed
HIGH
Has CVE
Advisory Details
### Impact
The `composer install` command running inside a git/hg repository which has specially crafted branch names can lead to command injection. So this requires cloning untrusted repositories.
### Patches
2.2.24 for 2.2 LTS or 2.7.7 for mainline
### Workarounds
Avoid cloning potentially compromised repositories.
Affected Packages
Packagist
composer/composer
Affected versions:
2.0
(fixed in 2.2.24)
Packagist
composer/composer
Affected versions:
2.3
(fixed in 2.7.7)
Related CVEs
Key Information
7.5
/10
Dataset
Last updated: August 3, 2025 6:48 AM
Data from GitHub Advisory Database. This information is provided for research and educational purposes.