Sensitive Information Exposure in Fortinet FortiMonitorOnSight Products
CVE-2026-84390

9.6CRITICAL

Key Information:

Vendor

Fortinet
Status
Fortimonitoronsight
Vendor
CVE Published:
11 September 2026

What is CVE-2026-84390?

A vulnerability exists in Fortinet's FortiMonitorOnSight that allows attackers to gain improper access to sensitive information embedded within the product's source code. This can occur between versions 7.2.0 and 7.2.7, leading to potential exploitation if not addressed. Administrators are recommended to review their systems and apply necessary security measures to mitigate the risk.

Affected Version(s)

FortiMonitorOnSight 7.2.4 <= 7.2.7

FortiMonitorOnSight 7.2.0 <= 7.2.2

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-170

CVSS V3.1

Score:
9.6
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.