PT-2026-36023 · Unknown · Mcp-Dnstwist

Eternity · Published 2026-04-29 · Updated 2026-04-29 · CVE-2026-7443

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions mcp-dnstwist versions prior to 1.0.5

Description A weakness in the MCP Interface component allows for remote OS command injection. The issue exists within the fuzz domain() function located in the src/index.ts file, where improper handling of the Request argument enables the execution of arbitrary operating system commands.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the fuzz domain() function to minimize the risk of exploitation.

Exploit

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

CVE-2026-7443

Affected Products

Mcp-Dnstwist

References · 8

• 🔥 https://github.com/BruceJqs/public_exp/issues/22 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7443 · Security Note
• https://github.com/BurtTheCoder/mcp-dnstwist/issues/13 · Note
• https://github.com/BurtTheCoder/mcp-dnstwist · Note
• https://twitter.com/VulmonFeeds/status/2049634303781302418 · Twitter Post
• https://vuldb.com/vuln/360185/cti · Note
• https://vuldb.com/vuln/360185 · Note
• https://vuldb.com/submit/804027 · Note