CVE-2026-42143 Coolify: OS Command Injection via Persistent Volume Names - Root RCE on Managed Servers
Authenticated users can inject shell commands via persistent volume names to execute arbitrary code as root on managed servers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-42143?
CVE-2026-42143 is a high-severity command injection vulnerability in coollabsio coolify, published on 7 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2026-42143?
How do I fix CVE-2026-42143?
No fix has been published for CVE-2026-42143 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-42143 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-42143 exists.
Sources
Also known as GHSA-6pmw-6m96-4v4m.