Vulnerability in Coollabs Coolify
CVE-2025-64420
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions prior to and including v4.0.0-beta.434, low privileged users are able to see the private key of the root user on the Coolify instance. This allows them to ssh to the server and authenticate as root user, using the private key. As of time of publication, it is unclear if a patch is available.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (43.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Coollabs Coolify — versions 4.0.0
- Coollabsio Coolify — versions <= 4.0.0-beta.434
Weakness classification (CWE)
References
- github.com/coollabsio/coolify/security/advisories/GHSA-qwxj-qch7-whpc (Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-64420?
- CVE-2025-64420 is a critical-severity vulnerability in Coollabs Coolify, classified under Insufficiently Protected Credentials. CVSS score: 9.9/10. Published 2026-01-05.
- How severe is CVE-2025-64420?
- Critical severity. CVSS v3 base score is 9.9 out of 10.