A CVE in the CISA KEV Catalog (CVE-2026-86218)

GEThttps://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/{cve}

The whole EPSS history of a 2026 CVE in the CISA KEV catalog, which rose in two steps from 0.00411 to 0.07494.

Param: cve
CVE: CVE-2026-86218

Asks for the EPSS history of CVE-2026-86218, published on 2026-09-06 and added to the CISA KEV catalog on 2026-09-08.

What to Notice

The whole history is on this page: 18 days, newest first. epss was 0.00411 for the first three days, 0.00744 from 2026-09-09, the day after the KEV addition, and 0.07494 from 2026-09-19; percentile rose from 0.343 to about 0.942.

Request

curl

curl 'https://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/CVE-2026-86218' \
  -H 'apikey: YOUR_API_KEY' \
  -H 'Accept: application/json'

Python

import requests

url = "https://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/CVE-2026-86218"

headers = {
    "apikey": "YOUR_API_KEY",
    "Accept": "application/json"
}

response = requests.get(url, headers=headers)
response.raise_for_status()
print(response.json())

JavaScript

const url = "https://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/CVE-2026-86218";

const response = await fetch(url, {
  method: "GET",
  headers: {
    "apikey": "YOUR_API_KEY",
    "Accept": "application/json"
  },
});

const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	req, err := http.NewRequest("GET", "https://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/CVE-2026-86218", nil)
	if err != nil {
		panic(err)
	}
	req.Header.Set("apikey", "YOUR_API_KEY")
	req.Header.Set("Accept", "application/json")

	res, err := http.DefaultClient.Do(req)
	if err != nil {
		panic(err)
	}
	defer res.Body.Close()

	body, err := io.ReadAll(res.Body)
	if err != nil {
		panic(err)
	}
	fmt.Println(string(body))
}

Java

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;

public class Main {
    public static void main(String[] args) throws Exception {
        HttpRequest request = HttpRequest.newBuilder()
            .uri(URI.create("https://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/CVE-2026-86218"))
            .header("apikey", "YOUR_API_KEY")
            .header("Accept", "application/json")
            .GET()
            .build();

        HttpResponse<String> response = HttpClient.newHttpClient()
            .send(request, HttpResponse.BodyHandlers.ofString());

        System.out.println(response.body());
    }
}

using System;
using System.Net.Http;

using var client = new HttpClient();

var request = new HttpRequestMessage(HttpMethod.Get, "https://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/CVE-2026-86218");
request.Headers.Add("apikey", "YOUR_API_KEY");
request.Headers.Add("Accept", "application/json");

using var response = await client.SendAsync(request);
Console.WriteLine(await response.Content.ReadAsStringAsync());

PHP

<?php

$curl = curl_init();

curl_setopt_array($curl, [
    CURLOPT_URL => 'https://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/CVE-2026-86218',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER => [
        'apikey: YOUR_API_KEY',
        'Accept: application/json',
    ],
]);

$response = curl_exec($curl);

if ($response === false) {
    throw new RuntimeException(curl_error($curl));
}

echo $response . PHP_EOL;

Ruby

require 'net/http'
require 'uri'

uri = URI('https://api.deepinfo.com/v1/explore/vulnerability-insight/epss-history/CVE-2026-86218')

request = Net::HTTP::Get.new(uri)
request['apikey'] = 'YOUR_API_KEY'
request['Accept'] = 'application/json'

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: uri.scheme == 'https') do |http|
  http.request(request)
end

puts response.body

Response

200 OK · application/json

Response Body

{
  "cve": "CVE-2026-86218",
  "records": [
    {
      "epss": 0.07494,
      "percentile": 0.94215,
      "date": "2026-09-23"
    },
    {
      "epss": 0.07494,
      "percentile": 0.94207,
      "date": "2026-09-22"
    },
    {
      "epss": 0.07494,
      "percentile": 0.94295,
      "date": "2026-09-21"
    },
    {
      "epss": 0.07494,
      "percentile": 0.942,
      "date": "2026-09-20"
    },
    {
      "epss": 0.07494,
      "percentile": 0.942,
      "date": "2026-09-19"
    },
    {
      "epss": 0.00744,
      "percentile": 0.5321,
      "date": "2026-09-18"
    },
    {
      "epss": 0.00744,
      "percentile": 0.53085,
      "date": "2026-09-17"
    },
    {
      "epss": 0.00744,
      "percentile": 0.53005,
      "date": "2026-09-16"
    },
    {
      "epss": 0.00744,
      "percentile": 0.52837,
      "date": "2026-09-15"
    },
    {
      "epss": 0.00744,
      "percentile": 0.52758,
      "date": "2026-09-14"
    },
    {
      "epss": 0.00744,
      "percentile": 0.52733,
      "date": "2026-09-13"
    },
    {
      "epss": 0.00744,
      "percentile": 0.52735,
      "date": "2026-09-12"
    },
    {
      "epss": 0.00744,
      "percentile": 0.52667,
      "date": "2026-09-11"
    },
    {
      "epss": 0.00744,
      "percentile": 0.52631,
      "date": "2026-09-10"
    },
    {
      "epss": 0.00744,
      "percentile": 0.52602,
      "date": "2026-09-09"
    },
    {
      "epss": 0.00411,
      "percentile": 0.34333,
      "date": "2026-09-08"
    },
    {
      "epss": 0.00411,
      "percentile": 0.34315,
      "date": "2026-09-07"
    },
    {
      "epss": 0.00411,
      "percentile": 0.3432,
      "date": "2026-09-06"
    }
  ]
}

Content-Type: application/json
ratelimit-limit: 1
ratelimit-remaining: 0
ratelimit-reset: 1
x-ratelimit-limit-second: 1
x-ratelimit-remaining-second: 0
deepinfo-request-id: 5f0c6a8e-1b2d-4c3e-9f4a-7b8c9d0e1f2a

Request

What this example sends. Every parameter is documented on EPSS History; the exact request is in the code panel.

Parameter	Value
`cve`path	`CVE-2026-86218`

Reference updated September 24, 2026

Request

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