Command Injection Vulnerability in Coolify PostgreSQL Healthcheck
CVE-2026-42153

8.8HIGH

Key Information:

Vendor

Coollabsio

Status
Coolify
Vendor
CVE Published:
6 July 2026

What is CVE-2026-42153?

Coolify, a self-hosted tool for managing applications and databases, had a vulnerability affecting its PostgreSQL healthcheck command generation. Before version 4.0.0-beta.474, the application permitted the use of attacker-controlled database settings in shell commands, creating the potential for unauthorized command injection by authenticated users. This flaw could allow for executing arbitrary commands within the database container, thereby compromising the security of the affected instance. The issue has been addressed in version 4.0.0-beta.474.

Affected Version(s)

coolify < 4.0.0-beta.474

References

https://github.com/coollabsio/coolify/security/advisories...
x_refsource_CONFIRM
https://github.com/coollabsio/coolify/pull/9674
x_refsource_MISC
https://github.com/coollabsio/coolify/commit/b74f54302b1a...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.