{"id":"CVE-2026-84694","title":"Coolify before 4.2.0 fails to properly escape environment variable key names in Docker commands executed over SSH on managed servers","summary":"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 arbit…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"published":"2026-09-02","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:53:23.707","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-84694","references":[{"url":"https://github.com/coollabsio/coolify","label":"disclosure@vulncheck.com"},{"url":"https://github.com/coollabsio/coolify/blob/v4.1.2/app/Policies/ApplicationPolicy.php","label":"disclosure@vulncheck.com"},{"url":"https://github.com/coollabsio/coolify/blob/v4.1.2/app/Support/ValidationPatterns.php","label":"disclosure@vulncheck.com"},{"url":"https://github.com/coollabsio/coolify/commit/b50839d4515b115b7ded5db609471440249995da","label":"disclosure@vulncheck.com"},{"url":"https://github.com/coollabsio/coolify/releases/tag/v4.2.0","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/coolify-before-4.2.0-remote-code-execution-via-environment-variable-key","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00453,"epssPercentile":0.38691,"ingestedAt":"2026-09-10T16:57:28.700Z","slug":"CVE-2026-84694","body":"## Overview\n\nCoolify 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}