Fortinet ships security updates for FortiOS and other products, withholds vulnerability details until November 10

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Fortinet released security hardening updates last week for FortiOS, FortiManager, FortiAnalyzer, FortiMail and FortiAuthenticator. It is withholding details of the fixed vulnerabilities, which were found with AI assistance, until November 10, 2026. Fortinet customers should apply the updates before the details are disclosed; affected versions need checking with Fortinet.

Digest of 2026-10-27

Sources

• Help Net Security — Fortinet patches critical FortiOS flaws found with AI help