Vulnerability · Published Mar 3, 2026 · Assigned by VulDB
CVE-2026-3484PhialsBasement nmap-mcp-server Nmap CLI index.ts child_process.exec command injection
Medium 6.3
In plain English
A medium-severity command injection in nmap-mcp-server from PhialsBasement. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.3% (higher than 89% of all known vulnerabilities).
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | mcp-nmap-server | no fix listed | GHSA-xc68-rrqc-qgq3 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PhialsBasement | nmap-mcp-server | bee6d23547d57ae02460022f7c78ac0893092e38 |
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
References
- VDB-348559 | PhialsBasement nmap-mcp-server Nmap CLI index.ts child_process.exec command injection vdb-entry, technical-description
- VDB-348559 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #763773 | PhialsBasement nmap-mcp-server <=1.0.1 Command Injection third-party-advisory
- Submit #763777 | PhialsBasement nmap-mcp-server <=1.0.1 Command Injection (Duplicate) third-party-advisory
- https://github.com/PhialsBasement/nmap-mcp-server/issues/7 issue-tracking
- https://github.com/PhialsBasement/nmap-mcp-server/issues/7#issuecomment-3814382570 issue-tracking
- https://github.com/PhialsBasement/nmap-mcp-server/commit/30a6b9e1c7fa6146f51e28d6ab83a2568d9a3488 patch
- https://github.com/PhialsBasement/nmap-mcp-server/ product