CVE-2025-66212 Coolify Vulnerable to Authenticated Remote Code Execution via Command Injection in Dynamic Proxy Configuration Filename

Critical 9.4 Published 23 Dec 2025 Updated 17 Mar 2026

Authenticated attackers can execute arbitrary commands as root via command injection in proxy configuration filenames, requiring an upgrade to Coolify.

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-2025-66212?

CVE-2025-66212 is a critical command injection vulnerability in coollabsio coolify, published on 23 Dec 2025. 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 version 4.0.0-beta.451, an authenticated command injection vulnerability in the Dynamic Proxy Configuration Filename handling allows users with application/service management permissions to execute arbitrary commands as root on managed servers. Proxy configuration filenames are passed to shell commands without proper escaping, enabling full remote code execution. Version 4.0.0-beta.451 fixes the issue.

Weakness: CWE-78

Which versions are affected by CVE-2025-66212?

It affects 1 product.

Products include Coollabs Coolify.

How do I fix CVE-2025-66212?

No fix has been published for CVE-2025-66212 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-2025-66212 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-66212 exists.

Sources

Also known as GHSA-q7rg-2j7p-83gp.