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CVE-2026-84694— Coolify before 4.2.0 Remote Code Execution via Environment Variable Key

Quick assessment

Affected
coollabsio coolify
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Coolify 4.2.0 之前的版本在通过 SSH 在受管服务器上执行 Docker 命令时，未能正确转义环境变量键名。经过身份验证的攻击者可以将 Shell 元字符注入到环境变量键中，从而在服务器主机上（容器之外）执行任意命令。

CVSS 8.8 · High

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-84694

Vulnerability Information
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Vulnerability Title
Coolify before 4.2.0 Remote Code Execution via Environment Variable Key
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
coollabsio coolify 0 ~ 4.2.0 -

II. Public POCs for CVE-2026-84694

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III. Intelligence Information for CVE-2026-84694

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Other References for CVE-2026-84694 (5)

IV. Related Vulnerabilities

Same product: coolify
Same vendor: coollabsio
Same weakness: CWE-78

V. Comments for CVE-2026-84694

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