CVE-2026-84390: Fortinet Fortimonitoronsight

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A inclusion of sensitive information in source code vulnerability in Fortinet FortiMonitorOnSight 7.2.4 through 7.2.7, FortiMonitorOnSight 7.2.0 through 7.2.2 may allow attacker to improper access control via <insert attack vector here>

Affected products

• Fortinet Fortimonitoronsight: from 7.2.4, up to and including 7.2.7; from 7.2.0, up to and including 7.2.2

Published 2026-09-11. Last modified 2026-09-11.