CVE-2026-84393Published

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>

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-84393

Published

FortiOS

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                        }
                    ]
                }

FortiProxy

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "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"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON