RCE in Coollabsio 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: 0.003 (48.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Coollabsio Coolify — versions < 4.0.0-beta.451
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/coollabsio/coolify/security/advisories/GHSA-vm5p-43qh-7pmq (x_refsource_CONFIRM)
- https://github.com/coollabsio/coolify/pull/7375 (x_refsource_MISC)
- https://github.com/0xrakan/coolify-cve-2025-66209-66213 (x_refsource_MISC)
- https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.451 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-66209?
- CVE-2025-66209 is a critical-severity vulnerability in Coollabsio Coolify, classified under OS Command Injection. CVSS score: 10.0/10. Published 2025-12-23.
- How severe is CVE-2025-66209?
- Critical severity. CVSS v3 base score is 10.0 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.