CVE-2026-34035: Command Injection (CVSS 8.8)

Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.466, log drain secret and environment values were interpolated into shell commands without sufficient encoding, allowing an authenticated user to inject commands executed on the host. This issue is fixed in version 4.0.0-beta.466.

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CVSS v3.1 Score

8.8

HIGH

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

EPSS — Exploit Prediction

0.0034

Probability of exploitation

0.26%

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/fcd574e1eb1c2f504c48e5be4a5cb6d69f8f1f55 https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.466 https://github.com/coollabsio/coolify/security/advisories/GHSA-3xm2-hqg8-4m2p https://github.com/coollabsio/coolify/security/advisories/GHSA-3xm2-hqg8-4m2p

Frequently Asked Questions

What is CVE-2026-34035? +

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.466, log drain secret and environment values were interpolated into shell commands without sufficient encoding, allowing an authenticated user to inject commands executed on the host. This issue is fixed in version 4.0.0-beta.466. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-34035? +

CVE-2026-34035 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0034, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-34035? +

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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