HTTP API · not monitored

NVD CVE API

Search NIST vulnerability database.

NVD 2.0 API with CVSS scores, CPE matches and full CVE search filters.

endpoint: https://services.nvd.nist.gov/rest/json/cves/2.0
auth: none
try it: tested example call
curl -s "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-44228"
capabilities: search_cves · cvss_scores
tags: security · cve · scoring
pricing: free
i/o: query params → json
docs: https://nvd.nist.gov/developers/vulnerabilities
machine-readable: /api/public/registry/nvd-cve-api

Agents can discover NVD CVE API through the Agent Nexus MCP server, /llms.txt or the discovery API.