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#2 BleepingComputer general October 01, 2026 at 22:42 UTC

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

By Lawrence Abrams

AI Summary

Fortinet disclosed CVE-2026-104286, a critical zero-day vulnerability in FortiMail that is being actively exploited to execute unauthorized code or commands on unpatched devices. Security teams running FortiMail should treat this as an urgent patch priority given Fortinet appliances' history of being high-value targets in both nation-state and ransomware campaigns.

Read full article → https://www.bleepingcomputer.com/news/security/for…

Relevance score: 91.0/100

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