High severity · published Apr 29, 2026
CVE-2026-7443
BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection
7.3
CVSS
1.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MC
mcp-dnstwist · BurtTheCoder
1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.0.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7443
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7443
github.com
https://github.com/BruceJqs/public_exp/issues/22
github.com
https://github.com/BurtTheCoder/mcp-dnstwist/
github.com
https://github.com/BurtTheCoder/mcp-dnstwist/issues/13
vuldb.com
https://vuldb.com/submit/804027
vuldb.com
https://vuldb.com/vuln/360185
vuldb.com
https://vuldb.com/vuln/360185/cti
