CVE-2026-84694

Coolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers. Authenticated attackers can inject shell metacharacters into environment variable keys to execute arbitrary commands on the server host outside containers.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/coollabsio/coolify
https://github.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.php
https://github.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.php
https://github.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995da
https://github.com/coollabsio/coolify/releases/tag/v4.2.0
https://www.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-environment-variable-key

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-02 01:17

Updated : 2026-09-10 15:53

NVD link : CVE-2026-84694

Mitre link : CVE-2026-84694

CVE.ORG link : CVE-2026-84694

JSON object : View

Products Affected

No product.

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

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