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.

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…

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)

CWE-285 — Improper Authorization
CWE-862 — Missing Authorization

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.