CVE-2026-84390
Received Received - Intake

Inclusion of Sensitive Information in Fortinet FortiMonitorOnSight

Vulnerability report for CVE-2026-84390, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-11

Last updated on: 2026-09-11

Assigner: Fortinet, Inc.

Description

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>

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published
2026-09-11
Last Modified
2026-09-11
Generated
2026-09-11
AI Q&A
2026-09-11
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
fortinet fortimonitoronsight From 7.2.4 (inc) to 7.2.7 (inc)
fortinet fortimonitoronsight From 7.2.0 (inc) to 7.2.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-540 Source code on a web server or repository often contains sensitive information and should generally not be accessible to users.

Attack-Flow Graph

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Executive Summary

This vulnerability involves sensitive information being included in source code in Fortinet FortiMonitorOnSight versions 7.2.4 through 7.2.7 and 7.2.0 through 7.2.2. It allows improper access control, potentially enabling attackers to gain unauthorized access.

Impact Analysis

An attacker could exploit this to access sensitive data or perform unauthorized actions. The high CVSS score (9.8) indicates severe impact, including full system compromise with confidentiality, integrity, and availability breaches.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR (data protection) and HIPAA (health data privacy). Non-compliance risks include fines, legal penalties, and reputational damage due to compromised sensitive information.

Mitigation Strategies

Update FortiMonitorOnSight to a version that is not affected by this vulnerability. Check Fortinet's official advisories for patches or updates.

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EPSS Chart