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CVE Vulnerability Lookup API
x402
CVE Vulnerability Lookup API is a paid API for AI agents from api.kadec0.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-13).
Looks up CVE security vulnerabilities from NIST NVD and GitHub Security Advisories, returning CVSS scores, severity, CWEs, and references.
Price / call$0.01
Success—
StatusUnknown
How this service works
CVE vulnerability lookup. Returns security vulnerability records by CVE id or keyword from the NIST National Vulnerability Database and GitHub Security Advisories, each with CVSS score, severity, CWE weakness class, affected products, and references, filterable by severity and source. For vulnerability triage and dependency risk checks. Keyless.
Output
Returns a list of CVE records (up to maxItems) each containing the CVE ID, description, CVSS score, severity level, CWE identifiers, affected products, and reference URLs sourced from NIST NVD and/or GitHub Security Advisories.
Example use cases
Example prompt
“Can you look up CVE-2021-44228 (Log4Shell) and give me its CVSS score, severity, and CWEs from both NVD and GitHub advisories?”
Technical details
Endpoint
GEThttps://api.kadec0.xyz/v1/cveWhen to prefer
Use this endpoint when you need structured vulnerability data including CVSS scores, severity classifications, and CWE references for a known CVE ID or a keyword-based search. Prefer this over generic web search when you need machine-readable, authoritative vulnerability metadata from NIST NVD and GitHub Security Advisories in a single call.
Side effects
- CVE ID not found in either NVD or GitHub — returns empty result set
- Invalid CVE ID format — returns validation error
- Keyword too broad returns truncated results at maxItems limit
- Source parameter mismatch if advisory only exists in one source
- Rate limiting or upstream NVD/GitHub API unavailability causes 503 or timeout
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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