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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 KEVCISA-cited referenceNVD

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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  1. 29 Oct 2026 · 20:19:26 UTC Link: Vendor advisoryhttps://fortiguard.fortinet.com/psirt/FG-IR-26-175 → No longer listed in this observation
  2. 29 Oct 2026 · 20:19:26 UTC Link: CISA-cited referencehttps://fortiguard.fortinet.com/psirt/FG-IR-26-175
  3. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  4. 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.

Explicit identifiers and source references

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-104286 · Microsoft / collected KEV context

cve-program · CVE-2026-104286

Related operational evidence

Explicit CVE identifiers
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 31 Oct 02:23 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current

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