BurtTheCoder mcp-dnstwist MCP index.ts fuzz_domain os command injection
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| BurtTheCoder | mcp-dnstwist | 1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.0.4 | — | No fix listed | CNA |
- mcp-dnstwist VendorBurtTheCoder Affected 1.0.0; 1.0.1; 1.0.2; 1.0.3; 1.0.4 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7443
- 2026-10-03 Alias added: GHSA-m7hc-392f-p2fg
References
More BurtTheCoder vulnerabilities
- TI-2026-01780 BurtTheCoder mcp-maigret search_username index.ts command injection CVSS 4.0MEDIUM 5.3
Sources
- CVE-2026-7443 · CVE Program
- CVE-2026-7443 · NVD
- FIRST EPSS
- GHSA-m7hc-392f-p2fg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences