coollabsio Coolify up to 4.0.0-beta.468 Deployment Handling command injection

Summaryinfo

A vulnerability was found in coollabsio Coolify up to 4.0.0-beta.468. It has been rated as very critical. The impacted element is an unknown function of the component Deployment Handling. This manipulation causes command injection. This vulnerability is tracked as CVE-2026-34038. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in coollabsio Coolify up to 4.0.0-beta.468 and classified as very critical. Affected by this vulnerability is an unknown function of the component Deployment Handling. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-34038 since 03/25/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/06/2026). MITRE ATT&CK project uses the attack technique T1202 for this issue.

Upgrading to version 4.0.0-beta.469 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• coollabsio

Name

• Coolify

Version

• 4.0.0-beta.468

Website

• Product: https://github.com/coollabsio/coolify/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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