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Fortinet Releases Patches for Critical FortiMonitorOnSight and Chrome Extension Flaws

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Sig3.20Sen+2.40Env0.00Soc-1.00Gov+1.50

Fortinet released patches for 10 vulnerabilities across its products, including multiple critical security flaws. CVE-2026-84390 (FortiMonitorOnSight) could let remote, unauthenticated attackers bypass authentication via forged or reused JWTs. CVE-2026-84388 (Privileged Access Agent Chrome extension) could allow unauthenticated interception of browser traffic. Updates also address high-severity issues enabling sensitive data access and MitM attacks, plus several medium- and low-severity fixes.

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