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.

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 Co…

EPSS: 0.005 (39.3th 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.434

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

security-advisories@github.com (x_refsource_CONFIRM, 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.