CVE-2026-84694
highCoolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers.
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
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-09-02 01:17
Modified: 2026-09-10 15:53
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 06:50 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/coollabsio/coolify disclosure@vulncheck.com
- https://github.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.php disclosure@vulncheck.com
- https://github.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.php disclosure@vulncheck.com
- https://github.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995da disclosure@vulncheck.com
- https://github.com/coollabsio/coolify/releases/tag/v4.2.0 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-enviro... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:50 UTC · record ↗
