CVE vulnerability lookup
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.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
181 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://api.kadec0.xyz/v1/cve
| Category | Code and developer |
|---|---|
| Provider host | api.kadec0.xyz |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 32 from 4 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 181 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"keyword": "log4j",
"severity": "critical"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"anyOf": [
{
"required": [
"cve_id"
]
},
{
"required": [
"keyword"
]
}
],
"properties": {
"cve_id": {
"description": "exact CVE id, e.g. CVE-2021-44228",
"type": "string"
},
"keyword": {
"description": "free-text search",
"type": "string"
},
"maxItems": {
"default": "20",
"type": "string"
},
"severity": {
"enum": [
"low",
"medium",
"high",
"critical"
],
"type": "string"
},
"source": {
"default": "all",
"enum": [
"nvd",
"github",
"all"
],
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}