{
    "id": "CVE-2026-24858",
    "published": "2026-01-27 20:16:24",
    "last_modified": "2026-06-17 10:23:43",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-288",
    "description": "An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, FortiNAC-F 7.6.3 through 7.6.5, FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through 7.0.18, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.12, FortiProxy 7.2.0 through 7.2.15, FortiProxy 7.0.0 through 7.0.22, FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 may allow an attacker with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.",
    "epss_score": "0.85796",
    "epss_percentile": "0.99722",
    "kev": 1,
    "kev_due": "2026-01-30",
    "has_exploit": 0,
    "updated_at": "2026-09-26 18:40:45",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2026-01-30."
    },
    "products": [
        {
            "vendor": "fortinet",
            "product": "fortianalyzer"
        },
        {
            "vendor": "fortinet",
            "product": "fortimanager"
        },
        {
            "vendor": "fortinet",
            "product": "fortinac-f"
        },
        {
            "vendor": "fortinet",
            "product": "fortios"
        },
        {
            "vendor": "fortinet",
            "product": "fortiproxy"
        },
        {
            "vendor": "fortinet",
            "product": "fortiweb"
        },
        {
            "vendor": "siemens",
            "product": "ruggedcom_ape1808"
        },
        {
            "vendor": "siemens",
            "product": "ruggedcom_ape1808_firmware"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2026-24858",
        "date_added": "2026-01-27",
        "due_date": "2026-01-30",
        "vendor": "Fortinet",
        "product": "Multiple Products",
        "name": "Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://fortiguard.fortinet.com/psirt/FG-IR-26-060",
        "https://cert-portal.siemens.com/productcert/html/ssa-975644.html",
        "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24858",
        "https://www.fortinet.com/blog/psirt-blogs/analysis-of-sso-abuse-on-fortios"
    ]
}