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 application write permissions to achieve remote code execution and exfiltrate sensitive environment variables through deployment logs via fields such as dockerfile_location and deployment commands. This issue is fixed in version 4.0.0-beta.469.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.018 (76.1th 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.469
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
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.