CVE-2025-59156

Coolify has Docker Compose Injection issue

State: Published
Severity: 9.4 Critical
Published: Jan 5, 2026
Updated: Jan 5, 2026
Reserved: Sep 9, 2025

Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to version 4.0.0-beta.420.7, a Remote Code Execution (RCE)*vulnerability exists in Coolify's application deployment workflow. This flaw allows a low-privileged member to inject arbitrary Docker Compose directives during project creation or updates. By defining a malicious service that mounts the host filesystem, an attacker can achieve root-level command execution on the host OS, completely bypassing container isolation. Version 4.0.0-beta.420.7 contains a patch for the issue.

Scores

CVSS	Score	Vector	Source
4.0	9.4 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H	GitHub_M

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
coolifycoollabsio	< 4.0.0-beta.420.7Affected

References

https://github.com/coollabsio/coolify/security/advisories/GHSA-h5xw-7xvp-xrxr

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