Agent Exchange x402 census and directory

x402 census · vulnfeed-api.novadyne.ai · ff3c2fb2dcba · JSON

GET /vulnscan/cve/CVE-2021-44228

unprobed

CVE lookup

Verdict: not verified by an unpaid GET. not probed yet. This says nothing about whether the route works when called as declared.

Facts from the catalogs

FieldValue
URLhttps://vulnfeed-api.novadyne.ai/vulnscan/cve/CVE-2021-44228
MethodGET
Price$0.002 USDC = 2000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Networkeip155:8453 (base)
payTo0xBEccE6dd106Cfa910F78fea188B2fcCEb73bdD0F
Sellervulnfeed-api.novadyne.ai
Catalogscdp (row updated 2026-09-19)
Listed since (lower bound)2026-09-19 (earliest catalog timestamp; catalogs report last-update times only)
Last catalog update2026-09-19
CDP quality counters6 calls and 5 unique payers in 30 days, last call 2026-09-19 (catalog-reported, not verified on chain)
Category (keyword rule)other/unknown
Templated pathno
x402Version in catalog2
Service name / tagsVulnFeed by Novadyne

Unpaid probe (census of )

FieldValue
Probenot probed in this build

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

FieldValue
Distinct payers5
Payments7
USDC volume$0.01
Median payment$0.002
First / last payment2026-08-24 / 2026-09-17
Sampler-shaped share of payments100.0%
Payers that are not samplers0
Sourceforensics-2026-09-30
Address0xBEccE6dd106Cfa910F78fea188B2fcCEb73bdD0F

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "queryParams": {
   "cve_id": "CVE-2021-23337"
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example": {
   "epss": {
    "date": "2026-06-19",
    "percentile": 0.83,
    "score": 0.0094
   },
   "id": "CVE-2021-23337",
   "ok": true,
   "severity": [
    "HIGH (CVSS 7.2)"
   ],
   "summary": "lodash command injection via _.template"
  }
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://vulnfeed-api.novadyne.ai/vulnscan/cve/CVE-2021-44228' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/ff3c2fb2dcba/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"ff3c2fb2dcba"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on vulnfeed-api.novadyne.ai.