PhialsBasement nmap-mcp-server Nmap CLI index.ts child_process.exec command injection
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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 and GitHub. Impact type from CWE-77.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| PhialsBasement | nmap-mcp-server | bee6d23547d57ae02460022f7c78ac0893092e38 | — | No fix listed | CNA |
| — | mcp-nmap-server (npm) | up to 1.0.1 | — | No fix listed | GHSA-xc68-rrqc-qgq3 |
- nmap-mcp-server VendorPhialsBasement Affected bee6d23547d57ae02460022f7c78ac0893092e38 Fixed in — No fix listed CNA
- mcp-nmap-server (npm) Vendor— Affected up to 1.0.1 Fixed in — No fix listed GHSA-xc68-rrqc-qgq3
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:phialsbasement:mcp_nmap_server:*:*:*:*:*:*:*:* | up to 1.0.1 | Vulnerable | PhialsBasement |
- cpe:2.3:a:phialsbasement:mcp_nmap_server:*:*:*:*:*:*:*:* Versions up to 1.0.1 Vulnerable ·PhialsBasement
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-3484
- 2026-10-03 Alias added: GHSA-xc68-rrqc-qgq3
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
Exploit 2
Patch 1
Sources
- CVE-2026-3484 · CVE Program
- CVE-2026-3484 · NVD
- FIRST EPSS
- GHSA-xc68-rrqc-qgq3 · 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