CVE-2026-3484 is a high-severity command injection vulnerability affecting PhialsBasement nmap-mcp-server, specifically within the Nmap CLI Command Handler's child_process.exec function in src/index.ts. This flaw allows remote attackers to execute arbitrary commands, leading to high impacts on confidentiality, integrity, and availability. With a CVSS score of 8.8, the vulnerability is easily exploitable over the network with low privileges and no user interaction. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 1.0.1CPE matchmatch criteria | cpe:2.3:a:phialsbasement:mcp_nmap_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.