nmap-mcp through commit 3636afa Permissive NSE Script Allowlist in scan_vulnerabilities

Advisories

nmap-mcp through commit 3636afa Permissive NSE Script Allowlist in scan_vulnerabilities

Severity: medium
Date: 10/27/2026
Affecting: nmap-mcp <= 3636afa6ad4e159c7ad07ca35ede644f37db9c5e
CVE: CVE-2026-117570
CWE: CWE-183 Permissive List of Allowed Inputs
CVSS: 4.8
CVSS V4 Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L
References: GitHub Issue #3
https://github.com/Vorota-ai/nmap-mcp
https://github.com/Vorota-ai/nmap-mcp/blob/3636afa6ad4e159c7ad07ca35ede644f37db9c5e/nmap_mcp/server.py#L440-L446
Credit: Nguyễn Văn Tiến
Description: Vorota-ai nmap-mcp through commit 3636afa contains an improper allowlist validation vulnerability in the scan_vulnerabilities tool that lets callers run blocked NSE script categories. MCP clients or prompt-injected agents can pass categories like exploit, dos, brute, or intrusive to nmap --script, running intrusive, brute-force, exploit, or denial-of-service scripts against scan targets.

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