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Vulnerability record · public intelligence
CVE-2026-3484
MEDIUM

MCP NMAP Server has an Injection vulnerability

Published Mar 3, 2026 · Updated Oct 23, 2026 · Also known as GHSA-xc68-rrqc-qgq3

Severity · CVSSMEDIUM · 6.3
Known exploitationNot listed
EPSS / likelihood4.59%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Oct 23, 2026

MCP NMAP Server has an Injection vulnerability

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

CVENVDOSVEPSSGHSA
SSVC priority
LOW
Confidence
Not available
Aliases
GHSA-xc68-rrqc-qgq3

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-348559 | PhialsBasement nmap-mcp-server Nmap CLI index.ts child_process.exec command injection ↗
  2. VDB-348559 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
  3. Submit #763773 | PhialsBasement nmap-mcp-server <=1.0.1 Command Injection ↗
  4. Submit #763777 | PhialsBasement nmap-mcp-server <=1.0.1 Command Injection (Duplicate) ↗
  5. Source repository ↗
  6. Source repository ↗
  7. Patch commit ↗
  8. Source repository ↗

Record history

Published Mar 3, 2026 · Last refreshed Oct 23, 2026