RCE in Coollabsio Coolify

CVE-2026-34149

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, DatabaseBackupJob interpolates user-controlled database credentials and MongoDB collection exclusion names into backup shell commands without adequate escaping, allowing an authenticated user with database management permissions to execute commands on managed servers. This issue is fixed in version 4.0.0-beta.471.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-34149: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34149?
CVE-2026-34149 is a low-severity vulnerability in Coollabsio Coolify, classified under OS Command Injection. CVSS score: 3.3/10. Published 2026-07-07.
How severe is CVE-2026-34149?
Low severity. CVSS v3 base score is 3.3 out of 10.