Auth bypass in Coollabsio Coolify
CVE-2026-34048
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 only check authentication and do not enforce terminal authorization, allowing a low-privileged team member to connect to terminal routes and execute commands on team servers. This issue is fixed in version 4.0.0-beta.471.
EPSS: 0.006 (45.0th 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)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-34048?
- CVE-2026-34048 is a critical-severity vulnerability in Coollabsio Coolify, classified under Improper Authorization. CVSS score: 9.9/10. Published 2026-07-07.
- How severe is CVE-2026-34048?
- Critical severity. CVSS v3 base score is 9.9 out of 10.
- Is CVE-2026-34048 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.