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CVE-2026-3484: MCP NMAP Server has an Injection vulnerability

mediumCVSS 4.0 5.3 · 3.1 6.3GHSA-xc68-rrqc-qgq3

A vulnerability was detected in PhialsBasement nmap-mcp-server up to bee6d23547d57ae02460022f7c78ac0893092e38. Affected by this issue is the function childprocess.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.

Published Mar 3, 2026 · Updated Mar 6, 2026

Affected packages

mcp-nmap-server

Ecosystem: npm
Affected: <= 1.0.1
Fixed in: No patched version yet
Check: npm ls mcp-nmap-server

Advisory details

From the GitHub Advisory Database (CC BY 4.0).

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.

References

How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology

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