Vulnerability · Published Oct 27, 2026 · Assigned by VulnCheck
CVE-2026-117570nmap-mcp through commit 3636afa Permissive NSE Script Allowlist in scan_vulnerabilities
Medium 5.2
In plain English
A medium-severity security flaw in nmap-mcp from Vorota-ai. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Official 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.
Affected products (as reported)
Weakness: CWE-183 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
References
- GitHub Issue #3 issue-tracking
- https://github.com/Vorota-ai/nmap-mcp product
- https://github.com/Vorota-ai/nmap-mcp/blob/3636afa6ad4e159c7ad07ca35ede644f37db9c5e/nmap_mcp/server.py#L440-L446 technical-description
- VulnCheck Advisory: nmap-mcp through commit 3636afa Permissive NSE Script Allowlist in scan_vulnerabilities third-party-advisory