CVE-2026-42167
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I. Basic Information for CVE-2026-42167
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
ProFTPD SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ProFTPD是ProFTPD开源的一套可配置性强的开放源代码的FTP服务器软件。 ProFTPD 1.3.10rc1之前版本存在SQL注入漏洞，该漏洞源于mod_sql模块，在记录带有%U等扩展的USER请求且SQL后端允许命令（如COPY TO PROGRAM）的场景下，可能导致远程攻击者通过用户名执行任意代码。
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
II. Public POCs for CVE-2026-42167
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | ProFTPD mod_sql before 1.3.10rc1 contains a remote code execution caused by unsafe username handling with SQL backend commands in USER request logging expansions, letting remote attackers execute arbitrary code, exploit requires SQL backend allowing commands. | https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2026/CVE-2026-42167.yaml | POC Details |
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