High severity8.8NVD Advisory· Published Sep 2, 2026
CVE-2026-84694
CVE-2026-84694
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <4.2.0
Patches
Vulnerability mechanics
References
5- github.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.phpnvd
- github.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.phpnvd
- github.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995danvd
- github.com/coollabsio/coolify/releases/tag/v4.2.0nvd
- www.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-environment-variable-keynvd
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