CVE-2026-7443

HIGH

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

Title source: cna
STIX 2.1

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.

References (6)

Core 6
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-360185 | BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection
https://vuldb.com/vuln/360185
Signature, Permissions Required signature permissions-required
VDB-360185 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/360185/cti
Third Party Advisory third-party-advisory
Submit #804027 | BurtTheCoder @burtthecoder/mcp-dnstwist 1.0.4 Command Injection
https://vuldb.com/submit/804027
Exploit exploit issue-tracking
https://github.com/BruceJqs/public_exp/issues/22

Scores

CVSS v3 7.3
EPSS 0.0138
EPSS Percentile 68.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-77 CWE-78
Status published
Products (5)
BurtTheCoder/mcp-dnstwist 1.0.0
BurtTheCoder/mcp-dnstwist 1.0.1
BurtTheCoder/mcp-dnstwist 1.0.2
BurtTheCoder/mcp-dnstwist 1.0.3
BurtTheCoder/mcp-dnstwist 1.0.4
Published Apr 29, 2026
Tracked Since Apr 30, 2026