Package Vulnerabilities

{
  "detail": [
    {
      "alias": [
        "CVE-2021-23337",
        "CVE-2026-4800"
      ],
      "corrected_in": [
        "4.17.21"
      ],
      "id": "GHSA-35jh-r3h4-6jhm",
      "published": "2021-05-06",
      "severity": "HIGH",
      "summary": "Command Injection in lodash"
    },
    {
      "alias": [
        "CVE-2020-8203"
      ],
      "corrected_in": [
        "4.17.19",
        "4.17.20"
      ],
      "id": "GHSA-p6mc-m468-83gw",
      "published": "2020-07-15",
      "severity": "HIGH",
      "summary": "Prototype Pollution in lodash"
    }
  ],
  "ecosystem": "npm",
  "package": "lodash",
  "source": "OSV.dev (CC BY 4.0)",
  "verdict": "6 known vulnerabilities: upgrade to a fixed version",
  "version": "4.17.15",
  "vulnerabilities": 6
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/package-vulnerabilities' \
  -H 'content-type: application/json' \
  --data-raw '{"ecosystem":"npm","package":"lodash","version":"4.17.15"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.vextorium.com/v1/package-vulnerabilities' \
  -H 'content-type: application/json' \
  --data-raw '{"ecosystem":"npm","package":"lodash","version":"4.17.15"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.004 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.004" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.004 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fpackage-vulnerabilities&method=POST
const res = await pay("https://api.vextorium.com/v1/package-vulnerabilities", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "ecosystem": "npm",
    "package": "lodash",
    "version": "4.17.15"
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.004 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.004"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.vextorium.com/v1/package-vulnerabilities",
        json={
            "ecosystem": "npm",
            "package": "lodash",
            "version": "4.17.15",
        },
    )
    print(res.status_code, res.text)