CVE-2026-42204

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. From 4.0.0-beta.471 through 4.0.0-beta.473, a regression in SHELL_SAFE_COMMAND_PATTERN allowed ampersands in custom Docker Compose build, start, and pre/post-deployment command fields, allowing an authenticated team member to inject shell commands that execute on the host. This issue is fixed in version 4.0.0-beta.474.

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.7% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-25)

CWE

CWE-78

Published

2026-07-06

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

References

• https://github.com/coollabsio/coolify/commit/e1aac50b745cf499e710b7e35cd2a9d6a1538dd9
• https://github.com/coollabsio/coolify/pull/9684
• https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.474
• https://github.com/coollabsio/coolify/security/advisories/GHSA-chg4-63hm-xv9x
• https://github.com/coollabsio/coolify/security/advisories/GHSA-chg4-63hm-xv9x

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