MailEnable Enterprise Premium < 10.55 Authorization Bypass via WebAdmin_CVE-2026-44400

{
    "lastseen": "",
    "description": "MailEnable Enterprise Premium 10.55 and earlier contains an improper authorization vulnerability in the WebAdmin mobile portal that allows attackers to bypass authentication checks by reusing AuthenticationToken cookies generated for low-privileged users. Attackers can obtain a token from the WebMail login endpoint using the PersistentLogin parameter and replay it against the WebAdmin portal to perform highly privileged administrative actions.",
    "published": "2026-05-08T20:22:43.554Z",
    "modified": "2026-05-08T20:22:43.554Z",
    "type": "cve",
    "title": "MailEnable Enterprise Premium < 10.55 Authorization Bypass via WebAdmin",
    "source": "VulnCheck",
    "references": "https://www.mailenable.com/Premium-ReleaseNotes.txt\nhttps://www.vulncheck.com/advisories/mailenable-enterprise-premium-authorization-bypass-via-webadmin",
    "id": "CVE-2026-44400",
    "bulletinFamily": "",
    "cwe": [
        "CWE-639"
    ],
    "cvelist": null,
    "sourceData": "MailEnable MailEnable Enterprise Premium 0",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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": "MailEnable Enterprise Premium",
    "version": "0",
    "vendor": "MailEnable",
    "ai_description": "Improper authorization vulnerability in WebAdmin mobile portal allowing attackers to bypass authentication checks and perform administrative actions",
    "ai_severity": "High",
    "ai_vendor": "MailEnable",
    "ai_product": "MailEnable Enterprise Premium",
    "ai_version": "10.55 and earlier",
    "ai_score": 8.7
}