CVE-2026-42143: Coolify: OS Command Injection via Persistent Volume Names - Root RCE on Managed Servers
Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, user-controlled persistent volume names are interpolated into shell commands executed on managed servers without escaping or validation, allowing an authenticated member to inject shell metacharacters and execute commands as root when volume operations are triggered. This issue appears to be fixed in version 4.0.0-beta.471.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Coolifyto a version that resolves this vulnerability.Fixed in 4.0.0-beta.471
Event History
Frequently Asked Questions
What is the severity of CVE-2026-42143?
CVE-2026-42143 has a high severity rating of 8.8.
How do I fix CVE-2026-42143?
To fix CVE-2026-42143, upgrade to Coolify version 4.0.0-beta.471 or later.
What type of vulnerability is CVE-2026-42143?
CVE-2026-42143 is an OS Command Injection vulnerability.
Who is affected by CVE-2026-42143?
Authenticated members managing servers with Coolify versions prior to 4.0.0-beta.471 are affected by CVE-2026-42143.
What impact does CVE-2026-42143 have?
CVE-2026-42143 allows for remote code execution on managed servers due to unvalidated user-controlled input.