CVE-2026-7443 MEDIUM

CVE-2026-7443: BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection

Vendor Burtthecoder
Product mcp-dnstwist
Weakness CWE-78
Published April 29, 2026
Last update May 4, 2026

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 29, 2026 CVE published
May 4, 2026 Record updated