Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Affecting mcp-nmap-server package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-MCPNMAPSERVER-15440574
- published8 Mar 2026
- disclosed3 Mar 2026
- creditUnknown
Introduced: 3 Mar 2026
NewCVE-2026-3484 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
mcp-nmap-server is a MCP server for performing network scanning using NMAP
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') via the child_process.exec function in the Nmap CLI Command Handler. An attacker can execute arbitrary system commands by supplying crafted input to the command handler.