National Vulnerability Database (NVD)
FreeLiveLast verified 24 Sept 2026
US government database of CVE vulnerability records with CVSS scores, descriptions and references.
Example request
curl -A 'WildAPIsResearch/0.1 (+https://wildapis.com)' 'https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-44228'
Free tier, in plain English
Free and keyless at a modest rate; a free API key (email signup) raises the limit tenfold.
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