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9.8

FortiMonitorOnSight could reveal internal credentials in code

CVE-2026-84390 · published 1 month ago
Summary

Versions 7.2.0 through 7.2.2 and 7.2.4 through 7.2.7 of FortiMonitorOnSight contain source code that unintentionally includes sensitive information such as passwords or keys. An attacker who can view the code could use that data to gain unauthorized access to the monitoring system. Update to the latest patched version as soon as possible and review any exposed credentials.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
fortinet fortimonitoronsight <= 7.2.7
Original advisory text
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 ...
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>
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-540Inclusion of Sensitive Information in Source Code
Timeline
Published11 Sep 2026
Updated11 Oct 2026
First seen11 Sep 2026
Sources
CVE-2026-84390 · NVD
CVE-2026-84390 · MITRE
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