Fortinet

CVE-2026-126160: A improper authentication vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 a

CVE-2026-126160 Nov 11, 2026 Source: Vendor

A improper authentication vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an unauthenticated attacker to escalate privileges and release or delete quarantined messages for arbitrary mailboxes via a crafted quarantine release requests.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-126160

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Credited

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CVE-2026-126160 BR2026-0000-047418 unclaimed

Credited as Gwendal Guegniaud of the Fortinet Product Security team with the use of the frontier AI model: Claude Mythos