{
  "id": "cve-2026-41940",
  "cveID": "CVE-2026-41940",
  "vendor": "WebPros",
  "product": "cPanel & WHM and WP2 (WordPress Squared)",
  "vulnerabilityName": "WebPros cPanel & WHM and WP2 (WordPress Squared) Missing Authentication for Critical Function Vulnerability",
  "shortDescription": "WebPros cPanel & WHM (WebHost Manager) and WP2 (WordPress Squared) contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.",
  "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": "2026-04-30",
  "dueDate": "2026-05-03",
  "knownRansomware": true,
  "cwes": [
    "CWE-306"
  ],
  "notes": "https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026 ; https://docs.cpanel.net/release-notes/release-notes/ ; https://docs.wpsquared.com/changelogs/versions/changelog/#13617 ; https://nvd.nist.gov/vuln/detail/CVE-2026-41940\"",
  "sources": [
    {
      "label": "NVD",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41940"
    },
    {
      "label": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
    },
    {
      "label": "support.cpanel.net",
      "url": "https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026"
    },
    {
      "label": "docs.cpanel.net",
      "url": "https://docs.cpanel.net/release-notes/release-notes/"
    },
    {
      "label": "docs.wpsquared.com",
      "url": "https://docs.wpsquared.com/changelogs/versions/changelog/#13617"
    },
    {
      "label": "nvd.nist.gov",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41940\""
    }
  ],
  "cvss": {
    "score": 9.3,
    "severity": "CRITICAL",
    "version": "4.0",
    "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
  },
  "epss": {
    "score": 0.98527,
    "percentile": 0.99919
  },
  "timeline": [
    {
      "date": "2026-04-30",
      "event": "Added to the CISA KEV catalog"
    },
    {
      "date": "2026-05-03",
      "event": "CISA remediation due date (BOD 22-01)"
    }
  ],
  "status": "past due"
}