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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.

coolLabs Coolify是coolLabs团队开源的一个自托管的 Heroku/Netlify/Vercel 替代品。 coolLabs Coolify 4.2.0之前版本存在命令注入漏洞，该漏洞源于在托管服务器上通过SSH执行Docker命令时未正确转义环境变量键名，经过身份验证的攻击者可注入shell元字符，从而在容器外的服务器主机上执行任意命令。

CVSS 8.8 · High EPSS 0.84% · P58

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
coollabsio coolify < 4.2.0 affected
4.2.0 unaffected
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I. Basic Information for CVE-2026-84694

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

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
Vulnerability Title
coolLabs Coolify 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
coolLabs Coolify是coolLabs团队开源的一个自托管的 Heroku/Netlify/Vercel 替代品。 coolLabs Coolify 4.2.0之前版本存在命令注入漏洞，该漏洞源于在托管服务器上通过SSH执行Docker命令时未正确转义环境变量键名，经过身份验证的攻击者可注入shell元字符，从而在容器外的服务器主机上执行任意命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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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Patches & Fixes for CVE-2026-84694 (2)

Vendor Advisories for CVE-2026-84694 (1)

Proof of Concept for CVE-2026-84694 (1)

Vendor Pages for CVE-2026-84694 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-84694

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