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I. Basic Information for CVE-2026-27811
Vulnerability Information

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Vulnerability Title
Roxy-WI has a Command Injection via diff parameter in config comparison allows authenticated RCE
Source: NVD (National Vulnerability Database)
Vulnerability Description
Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. Prior to version 8.2.6.3, a command injection vulnerability exists in the `/config/compare/<service>/<server_ip>/show` endpoint, allowed authenticated users to execute arbitrary system commands on the app host. The vulnerability exists in `app/modules/config/config.py` on line 362, where user input is directly formatted in the template string that is eventually executed. Version 8.2.6.3 fixes the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Roxy-WI 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Roxy-WI是Roxy-WI开源的一款用于管理 Haproxy、Nginx 和 Keepalived 服务器的 Web 界面。 Roxy-WI 8.2.6.3之前版本存在操作系统命令注入漏洞,该漏洞源于/config/compare/<service>/<server_ip>/show端点存在命令注入,可能导致执行任意系统命令。
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
VendorProductAffected VersionsCPESubscribe
roxy-wiroxy-wi < 8.2.6.3 -
II. Public POCs for CVE-2026-27811
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
kimi-k2.5 · 8459 chars
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III. Intelligence Information for CVE-2026-27811
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IV. Related Vulnerabilities
V. Comments for CVE-2026-27811

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