RCE in Coollabsio Coolify

CVE-2026-34038

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.469, an authenticated remote command injection vulnerability in application deployment handling allows users with appli…

Vulnerability class: Command Injection (OS Command Injection)

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)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-34038?
CVE-2026-34038 is a critical-severity vulnerability in Coollabsio Coolify, classified under OS Command Injection. CVSS score: 9.9/10. Published 2026-07-06.
How severe is CVE-2026-34038?
Critical severity. CVSS v3 base score is 9.9 out of 10.
Is CVE-2026-34038 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.