What is CVE-2025-64423?

CVE-2025-64423 is a high-severity vulnerability in Coollabs Coolify, classified under Improper Authentication. CVSS score: 8.8/10. Published 2026-01-05.

How severe is CVE-2025-64423?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Coollabs Coolify

CVE-2025-64423

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify versions up to and including v4.0.0-beta.434, a low privileged user (member) can see and use invitation links sent to an adminis…

Vulnerability class: Broken Authentication

EPSS: 0.003 (21.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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-287 — Improper Authentication

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2025-64423?: CVE-2025-64423 is a high-severity vulnerability in Coollabs Coolify, classified under Improper Authentication. CVSS score: 8.8/10. Published 2026-01-05.
How severe is CVE-2025-64423?: High severity. CVSS v3 base score is 8.8 out of 10.