CVE-2026-3484PhialsBasement nmap-mcp-server Nmap CLI index.ts child_process.exec command injection
- 5.3MediumCVSS base score
- 3.3%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By VulDB
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X |
| VulDBCNA (assigner) | 3.1 | Medium6.3 | 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 |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C |
| NVDNVD · Analyzed | 4.0 | Medium5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 3.3% · top 11% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
PhialsBasement · nmap-mcp-server
- affected bee6d23547d57ae02460022f7c78ac0893092e38
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmmcp-nmap-serverGHSA-xc68-rrqc-qgq3 (opens in a new tab)
References
References8
- VDB-348559 | PhialsBasement nmap-mcp-server Nmap CLI index.ts child_process.exec command injection (opens in a new tab)vdb-entrytechnical-description
- VDB-348559 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- Submit #763773 | PhialsBasement nmap-mcp-server <=1.0.1 Command Injection (opens in a new tab)third-party-advisory
- Submit #763777 | PhialsBasement nmap-mcp-server <=1.0.1 Command Injection (Duplicate) (opens in a new tab)third-party-advisory
- https://github.com/PhialsBasement/nmap-mcp-server/issues/7 (opens in a new tab)issue-tracking
- https://github.com/PhialsBasement/nmap-mcp-server/issues/7#issuecomment-3814382570 (opens in a new tab)issue-tracking
- https://github.com/PhialsBasement/nmap-mcp-server/commit/30a6b9e1c7fa6146f51e28d6ab83a2568d9a3488 (opens in a new tab)patch
- https://github.com/PhialsBasement/nmap-mcp-server/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-9317 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-xc68-rrqc-qgq3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-3484)Record last updated .