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Vulnerability · Published Apr 29, 2026 · Assigned by VulDB

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

High 7.3

In plain English

A high-severity OS command injection in mcp-dnstwist from BurtTheCoder. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)1.5%top 25.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
BurtTheCoder mcp-dnstwist 1.0.01.0.11.0.21.0.31.0.4

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References