Monitor vulnerabilities like this one.
Sign up free to get alerted when software you use is affected.
5.3
Nmap Server at Risk of Remote Command Injection
CVE-2026-3484
GHSA-xc68-rrqc-qgq3
Summary
A remote attacker can inject malicious commands into the Nmap Server, potentially allowing them to access or modify sensitive data. This issue affects the way the server handles user input, making it crucial to apply the latest patch to prevent unauthorized access. Users should update the server to the latest version as soon as possible.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| phiality | mcp-nmap-server | <= 1.0.1 | – |
| phialsbasement | mcp_nmap_server | <= 1.0.1 | – |
Original title
MCP NMAP Server has an Injection vulnerability
Original description
A vulnerability was detected in PhialsBasement nmap-mcp-server up to bee6d23547d57ae02460022f7c78ac0893092e38. Affected by this issue is the function child_process.exec of the file src/index.ts of the component Nmap CLI Command Handler. The manipulation results in command injection. The attack may be performed from remote. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. The patch is identified as 30a6b9e1c7fa6146f51e28d6ab83a2568d9a3488. It is best practice to apply a patch to resolve this issue.
nvd CVSS2.0
6.5
nvd CVSS3.1
8.8
nvd CVSS4.0
5.3
Vulnerability type
CWE-74
Injection
CWE-77
Command Injection
- https://vuldb.com/?ctiid.348559 Permissions Required VDB Entry
- https://github.com/PhialsBasement/nmap-mcp-server/ Product
- https://github.com/PhialsBasement/nmap-mcp-server/commit/30a6b9e1c7fa6146f51e28d... Patch
- https://github.com/PhialsBasement/nmap-mcp-server/issues/7 Exploit Issue Tracking
- https://github.com/PhialsBasement/nmap-mcp-server/issues/7#issuecomment-38143825... Exploit Issue Tracking
- https://vuldb.com/?id.348559 Third Party Advisory VDB Entry
- https://vuldb.com/?submit.763773 Third Party Advisory VDB Entry
- https://vuldb.com/?submit.763777 Third Party Advisory VDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2026-3484
- https://github.com/PhialsBasement/nmap-mcp-server
- https://github.com/advisories/GHSA-xc68-rrqc-qgq3
Published: 3 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026