{
  "id": "cve-2026-50751",
  "cveID": "CVE-2026-50751",
  "vendor": "Check Point",
  "product": "Security Gateway",
  "vulnerabilityName": "Check Point Security Gateway Improper Authentication Vulnerability",
  "shortDescription": "Check Point Security Gateway contains an improper authentication vulnerability in IKEv1 key exchange that could allow an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.",
  "requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "dateAdded": "2026-06-08",
  "dueDate": "2026-06-11",
  "knownRansomware": true,
  "cwes": [
    "CWE-287"
  ],
  "notes": "https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ ; https://support.checkpoint.com/results/sk/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM. ; https://nvd.nist.gov/vuln/detail/CVE-2026-50751",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50751"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "blog.checkpoint.com",
      "url": "https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/"
    },
    {
      "label": "support.checkpoint.com",
      "url": "https://support.checkpoint.com/results/sk/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50751"
    }
  ],
  "cvss": {
    "score": 9.3,
    "severity": "CRITICAL",
    "version": "3.1",
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N"
  },
  "epss": {
    "score": 0.83771,
    "percentile": 0.99672
  },
  "timeline": [
    {
      "date": "2026-06-08",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2026-06-11",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}