{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-84393",
        "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "state": "PUBLISHED",
        "assignerShortName": "fortinet",
        "dateReserved": "2026-09-01T16:36:14.802Z",
        "datePublished": "2026-09-08T16:41:49.203Z",
        "dateUpdated": "2026-09-10T03:56:52.472Z"
    },
    "containers": {
        "cna": {
            "affected": [
                {
                    "vendor": "Fortinet",
                    "product": "FortiOS",
                    "cpes": [
                        "cpe:2.3:o:fortinet:fortios:7.6.6:*:*:*:*:*:*:*",
                        "cpe:2.3:o:fortinet:fortios:7.6.5:*:*:*:*:*:*:*",
                        "cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*",
                        "cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*",
                        "cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*",
                        "cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "versionType": "semver",
                            "version": "7.6.1",
                            "lessThanOrEqual": "7.6.6",
                            "status": "affected"
                        }
                    ]
                },
                {
                    "vendor": "Fortinet",
                    "product": "FortiProxy",
                    "cpes": [
                        "cpe:2.3:a:fortinet:fortiproxy:7.6.6:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortiproxy:7.6.5:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortiproxy:7.6.4:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortiproxy:7.6.3:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortiproxy:7.6.2:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "versionType": "semver",
                            "version": "7.6.2",
                            "lessThanOrEqual": "7.6.6",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via <insert attack vector here>"
                }
            ],
            "providerMetadata": {
                "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
                "shortName": "fortinet",
                "dateUpdated": "2026-09-08T16:41:49.203Z"
            },
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "cweId": "CWE-297",
                            "description": "Information disclosure",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "attackComplexity": "HIGH",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "HIGH",
                        "baseScore": 7.3,
                        "baseSeverity": "HIGH",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C"
                    }
                }
            ],
            "solutions": [
                {
                    "lang": "en",
                    "value": "Upgrade to FortiOS version 8.0.0 or above\nUpgrade to FortiOS version 7.6.7 or above\nUpgrade to upcoming  FortiProxy version 8.0.0 or above\nUpgrade to upcoming  FortiProxy version 7.6.7 or above\nFortinet remediated this issue in FortiSASE version 26.2.2 (not released) and hence customers do not need to perform any action."
                }
            ],
            "references": [
                {
                    "name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-174",
                    "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-174"
                }
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-09-09T00:00:00+00:00",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3",
                                "id": "CVE-2026-84393"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-09-10T03:56:52.472Z"
                }
            }
        ]
    }
}