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CVE-2026-104286CISA KEV

Fortinet FortiMail Path Traversal Vulnerability

CISA lists this Fortinet FortiMail vulnerability as known exploited. Check the cited references and original publisher guidance for affected products and remediation.

CISA KEV CISA-cited reference NVD

CISA catalog record

Fortinet FortiMail contains a path traversal and an improper neutralization of NULL byte or NULL character vulnerability that may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests.

Product: FortiMail
Added to KEV: 1 Oct 2026
Federal remediation due: 4 Oct 2026
Known ransomware use: Not reported

Page history

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Cite this version

Field-level log (4)

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29 Oct 2026 · 20:19:26 UTC Link: Vendor advisoryhttps://fortiguard.fortinet.com/psirt/FG-IR-26-175 → No longer listed in this observation
29 Oct 2026 · 20:19:26 UTC Link: CISA-cited referencehttps://fortiguard.fortinet.com/psirt/FG-IR-26-175
23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2026-104286. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-104286

Published

FortiMail

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Fortinet",
                    "product": "FortiMail",
                    "cpes": [
                        "cpe:2.3:a:fortinet:fortimail:8.0.1:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:8.0.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.6.6:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.6.5:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.6.4:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.6.3:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.6.2:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.6.1:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.6.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.8:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.7:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.6:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.5:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.4:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.3:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.2:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.1:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.4.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.9:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.8:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.7:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.6:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.5:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.4:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.3:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.2:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.1:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.2.0:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.9:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.8:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.7:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.6:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.5:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.4:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.3:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.2:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.1:*:*:*:*:*:*:*",
                        "cpe:2.3:a:fortinet:fortimail:7.0.0:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "versionType": "semver",
                            "version": "8.0.0",
                            "lessThanOrEqual": "8.0.1",
                            "status": "affected"
                        },
                        {
                            "versionType": "semver",
                            "version": "7.6.0",
                            "lessThanOrEqual": "7.6.6",
                            "status": "affected"
                        },
                        {
                            "versionType": "semver",
                            "version": "7.4.0",
                            "lessThanOrEqual": "7.4.8",
                            "status": "affected"
                        },
                        {
                            "versionType": "semver",
                            "version": "7.2.0",
                            "lessThanOrEqual": "7.2.9",
                            "status": "affected"
                        },
                        {
                            "versionType": "semver",
                            "version": "7.0.0",
                            "lessThanOrEqual": "7.0.9",
                            "status": "affected"
                        }
                    ]
                }

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