RCE in Coollabs Coolify
CVE-2025-66209
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 ap…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.038 (88.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Coollabs Coolify — versions 4.0.0
- Coollabsio Coolify — versions < 4.0.0-beta.451
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)
- security-advisories@github.com (Exploit, Third Party Advisory, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-66209?
- CVE-2025-66209 is a critical-severity vulnerability in Coollabs Coolify, classified under OS Command Injection. CVSS score: 9.9/10. Published 2025-12-23.
- How severe is CVE-2025-66209?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2025-66209 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.