Critical FortiMail Zero-Day Flaw Exploited in Attacks Allows Unauthenticated Arbitrary File Writes
The Hacker News October 2, 2026

Critical FortiMail Zero-Day Flaw Exploited in Attacks Allows Unauthenticated Arbitrary File Writes

Fortinet says attackers are exploiting a FortiMail flaw that lets unauthenticated users write arbitrary files via crafted HTTP requests.

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