CVE-2025-66209

Name: CVE-2025-66209
Creator: NVD / NIST
Published: 2025-12-23T22:15:52.047+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.76%

Last modified Jun 17, 2026

CVE-2025-66209 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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 Database Backup functionality allows users with application/service management permissions to execute arbitrary commands as root on managed servers. EPSS estimates a 3.76% chance of exploitation in the next 30 days.

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 Database Backup functionality allows users with application/service management permissions to execute arbitrary commands as root on managed servers. Database names used in backup operations are passed directly to shell commands without sanitization, enabling full remote code execution. Version 4.0.0-beta.451 fixes the issue.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

3.76%

88.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions	Update
Coollabs	Coolify	< 4.0.0	—
Coollabs	Coolify	4.0.0	Beta100

References

https://github.com/0xrakan/coolify-cve-2025-66209-66213Exploit, Third Party Advisory
https://github.com/coollabsio/coolify/pull/7375Issue Tracking, Patch
https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.451Release Notes
https://github.com/coollabsio/coolify/security/advisories/GHSA-vm5p-43qh-7pmqExploit, Vendor Advisory
https://github.com/coollabsio/coolify/security/advisories/GHSA-vm5p-43qh-7pmqExploit, Vendor Advisory

Timeline

Published: Dec 23, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-66209?

How severe is CVE-2025-66209?

CVE-2025-66209 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.76% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66209?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-66209?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST