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
- Coollabsio Coolify — versions < 4.0.0-beta.471
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
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.