What is CVE-2026-34594?

CVE-2026-34594 is a high-severity vulnerability in Coollabsio Coolify, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-29.

How severe is CVE-2026-34594?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Coollabsio Coolify

CVE-2026-34594

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, an authenticated command injection vulnerability in the Destination Network Management functionality allows users with destination management permissions to execute arbitrary commands as root on managed servers. The "network" parameter is passed directly to shell commands without proper sanitization, enabling full remote code execution on the host system. This vulnerability is fixed in 4.0.0-beta.471.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.011 (62.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Coollabsio Coolify — versions < 4.0.0-beta.471

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-34594?: CVE-2026-34594 is a high-severity vulnerability in Coollabsio Coolify, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-29.
How severe is CVE-2026-34594?: High severity. CVSS v3 base score is 8.8 out of 10.