CVE-2026-84694Coolify before 4.2.0 Remote Code Execution via Environment Variable Key
Updated under an hour ago ()
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It affects coollabsio coolify. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-78
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
coollabsio coolify coollabsio:coolify (from the name) | before 4.2.0; 4.2.0 not affected | CNA record |
References
- https://github.com/coollabsio/coolifyproduct
- https://github.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995dapatch
- https://github.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.phptechnical-description
- https://github.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.phptechnical-description
- https://github.com/coollabsio/coolify/releases/tag/v4.2.0release-notes
- https://www.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-environment-variable-keythird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.