CVE-2026-7443— BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection
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I. Basic Information for CVE-2026-7443
Vulnerability Information
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Vulnerability Title
BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzz_domain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
DNStwist MCP Server 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DNStwist MCP Server是Burt个人开发者的一款域名安全检测工具。 DNStwist MCP Server 1.0.4及之前版本存在命令注入漏洞，该漏洞源于文件src/index.ts中函数fuzz_domain的参数Request操作导致OS命令注入。
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 |
|---|---|---|---|---|
| BurtTheCoder | mcp-dnstwist | 1.0.0 | - |
II. Public POCs for CVE-2026-7443
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCVerified env Premium
claude_code · 2879 chars
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III. Intelligence Information for CVE-2026-7443
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Exploit · 1Other · 1News · 1
IV. Related Vulnerabilities
Same weakness: CWE-78
V. Comments for CVE-2026-7443
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