CRITICALZero Day
Global

Fortinet warns of critical FortiMail flaw exploited in zero-day attacks

·Source: BleepingComputer

Updated:

Executive Summary

Fortinet is warning customers of a critical FortiMail vulnerability, tracked as CVE-2026-104286, that is being actively exploited in zero-day attacks to execute unauthorized code or commands on vulnerable devices. [...]

Analysis

Fortinet is warning customers of a critical FortiMail vulnerability, tracked as CVE-2026-104286, that is being actively exploited in zero-day attacks to execute unauthorized code or commands on vulnerable devices. [...]

Indicators of Compromise (1)

CVE (1)
CVE-2026-104286
NVDMITRE CVE
Source Attribution

Originally published by BleepingComputer on Oct 1, 2026.

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