Stack Facts CVE: Look up a CVE: known vulnerabilities (OSV) and active exploitation (CISA KEV)
https://g5joilnmeep4ntz3nwezxt5dmu.srv.us/v1/cve/CVE-2021-44228Overview
Get any CVE: its CISA KEV entry, if exploited, plus every OSV advisory aliased to it, with affected packages (purls), fixed versions and CVSS. Pay per call in USDC: no account or API key, no daily cap.
Protocol
x402
Price
$0.0030
Payment Asset
USDC
Payment Network
Base
Category
security
Provider
Stack Facts
Source
self-registered
Indexed
2026-10-12 07:11:46
Health
Status
healthy
Latency (p50)
1074ms
Uptime (30d)
100.0%
Reliability Score
85/100
Last Checked
2026-10-23 08:57:50
Last Healthy
2026-10-23 08:57:50
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-23 08:57:50 | healthy | 402 | 1781ms | |
| 2026-10-22 01:39:34 | healthy | 402 | 1074ms | |
| 2026-10-21 12:24:49 | healthy | 402 | 1292ms | |
| 2026-10-21 01:41:35 | healthy | 402 | 888ms | |
| 2026-10-20 21:08:27 | healthy | 402 | 948ms |