high8.8
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.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Coolify | before 4.2.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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