CVE-2026-34038: Command Injection (CVSS 9.9)

Description

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.

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CVSS v3.1 Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0254

Probability of exploitation

0.83%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://github.com/coollabsio/coolify/commit/23f9156c7306b221101f1ebbe4d3c6b5e2522acd https://github.com/coollabsio/coolify/pull/9007 https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.469 https://github.com/coollabsio/coolify/security/advisories/GHSA-qqrq-r9h4-x6wp https://github.com/coollabsio/coolify/security/advisories/GHSA-qqrq-r9h4-x6wp

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.9 (CRITICAL).

How severe is CVE-2026-34038? +

CVE-2026-34038 has a CVSS v3.1 score of 9.9 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0254, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-34038? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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