Auth bypass in Coollabsio Coolify

CVE-2026-34047

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, terminal WebSocket bootstrap routes did not enforce the expected authorization middleware, allowing an authenticated user to access terminal functionality for resources outside the authorized scope and potentially execute commands. This issue is fixed in version 4.0.0-beta.471.

Vulnerability class: Broken Access Control

EPSS: 0.004 (37.5th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34047?
CVE-2026-34047 is a critical-severity vulnerability in Coollabsio Coolify, classified under Incorrect Authorization. CVSS score: 9.9/10. Published 2026-07-07.
How severe is CVE-2026-34047?
Critical severity. CVSS v3 base score is 9.9 out of 10.