cPanel and WHM Authentication Bypass via Login Flow_CVE-2026-41940

{
    "lastseen": "",
    "description": "cPanel and WHM versions prior to 11.110.0.97, 11.118.0.63, 11.126.0.54, 11.132.0.29, 11.134.0.20, and 11.136.0.5 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.",
    "published": "2026-04-29T15:10:37.899Z",
    "modified": "2026-04-29T15:10:37.899Z",
    "type": "cve",
    "title": "cPanel and WHM Authentication Bypass via Login Flow",
    "source": "VulnCheck",
    "references": "https://support.cpanel.net/hc/en-us/articles/40073787579671-cPanel-WHM-Security-Update-04-28-2026\nhttps://docs.cpanel.net/release-notes/release-notes\nhttps://docs.wpsquared.com/changelogs/versions/changelog/#13617\nhttps://www.namecheap.com/status-updates/ongoing-critical-security-vulnerability-in-cpanel-april-28-2026\nhttps://www.vulncheck.com/advisories/cpanel-and-whm-authentication-bypass-via-login-flow",
    "id": "CVE-2026-41940",
    "bulletinFamily": "",
    "cwe": [
        "CWE-306"
    ],
    "cvelist": null,
    "sourceData": "cPanel, L.L.C. cPanel & WHM 11.110.0\ncPanel, L.L.C. cPanel & WHM 11.118.0\ncPanel, L.L.C. cPanel & WHM 11.126.0\ncPanel, L.L.C. cPanel & WHM 11.132.0\ncPanel, L.L.C. cPanel & WHM 11.134.0\ncPanel, L.L.C. cPanel & WHM 11.136.0\ncPanel, L.L.C. WP Squared 11.136.1",
    "sourceHref": "",
    "cvss": {
        "score": 9.3,
        "severity": "CRITICAL",
        "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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "cPanel & WHM",
    "version": "11.110.0",
    "vendor": "cPanel, L.L.C.",
    "ai_description": "Authentication bypass vulnerability in cPanel and WHM login flow",
    "ai_severity": "Critical",
    "ai_vendor": "cPanel, L.L.C.",
    "ai_product": "cPanel and WHM",
    "ai_version": "11.110.0, 11.118.0, 11.126.0, 11.132.0, 11.134.0, 11.136.0",
    "ai_score": 9.3
}