Vorota-ai nmap-mcp through commit 3636afa contains an improper allowlist validation vulnerability in the scanvulnerabilities tool that lets…
CVE-2026-117570
Vorota-ai nmap-mcp through commit 3636afa contains an improper allowlist validation vulnerability in the scanvulnerabilities 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.
Part of the AI stack
This affects Model Context Protocol, in MCP & tool servers.
Assessment
- CVSS
- 4.8 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 27 October 2026
- Last updated
- 27 October 2026
- Weakness
- CWE-183
- Assigner
- disclosure@vulncheck.com
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:L/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
At the source
References
- https://github.com/Vorota-ai/nmap-mcp
- https://github.com/Vorota-ai/nmap-mcp/blob/3636afa6ad4e159c7ad07ca35ede644f37db9c5e/nmap_mcp/server.py#L440-L446
- https://github.com/Vorota-ai/nmap-mcp/issues/3
- https://www.vulncheck.com/advisories/nmap-mcp-through-commit-3636afa-permissive-nse-script-allowlist-in-scan-vulnerabilities
Community proofs of concept
No community proof of concept yet. If you have one for a published vulnerability and the right to share it, add it below — it will appear here once reviewed.
Submit a proof of concept
Only for publicly disclosed vulnerabilities, and only material from testing you were authorised to perform. This platform does not buy, sell, or broker exploits — see earning from vulnerability research for legitimate bounty programs. Submissions are reviewed before they appear. Text only; do not include live credentials, personal data, or anything targeting systems you are not permitted to test.
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2026-117570