CVE-2026-84390
📛 CVE Title
CVE-2026-84390
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>
Overview
- State
- PUBLISHED
- Assigner (CNA)
- fortinet
- CVSS severity
- CRITICAL
- CVSS score
- 9.6 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C- Effective score
- 9.6 / 10 CRITICAL source: CNA overview
- CWE(s)
-
CWE-540 - Reserved
- 2026-09-01
- Published
- 2026-09-11 12:13 UTC
- Last updated
- 2026-09-11 12:44 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/84xxx/CVE-2026-84390.json
- Linked Threat
- CVE-2026-84390 — CVE-2026-84390
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-09-11 13:18:18 UTC
- NVD last modified
- 2026-09-11 18:24:59 UTC
- NVD CVSS v3.1
- 9.8 / 10 CRITICAL source: psirt@fortinet.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Exploitability subscore
- 3.9 / 10
- Impact subscore
- 5.9 / 10
NVD / KEV / EPSS data refreshed 2026-09-12 04:37 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-76098 - Assigner
- fortinet
- Published
- Sep 11, 2026, 12:13:15 PM
- Updated
- Sep 11, 2026, 12:44:39 PM
- EUVD base score (CVSS 3.1)
-
9.6 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C - EUVD-reported EPSS
- 0.5200
- Vendors
- Fortinet
- Products
-
FortiMonitorOnSight (7.2.0 ≤7.2.2)FortiMonitorOnSight (7.2.4 ≤7.2.7)
- Aliases
-
GHSA-g584-wqjw-m2r8
ENISA 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>
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Fortinet | FortiMonitorOnSight |
7.2.4 (affected),
7.2.0 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://fortiguard.fortinet.com/psirt/FG-IR-26-170 psirt@fortinet.com
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:app.opencve.io
The vulnerability arises from the inclusion of sensitive information in the source code of FortiMonitorOnSight. This exposure can lead to unauthorized access or privilege escalation as an attacker might leverage leaked credentials or configuration data. The weakness aligns with CWE-540, indicating sensitive data stored in source code.
2026-09-13 04:05 UTC -
web:cvetodo.com
CVE-2026-84390 is an Improper Access Control vulnerability in Fortinet FortiMonitorOnSight. See exploitation status, patch guidance, and technical details.
2026-09-13 04:05 UTC -
web:cybersixt.com
CVE-2026-84390 : vulnerability intelligence. Coverage timeline and remediation status tracked by CyberSIXT.
2026-09-13 04:05 UTC -
web:nvd.nist.gov
Vulnerabilities All vulnerabilities in the NVD have been assigned a CVE identifier and thus, abide by the definition below. CVE defines a vulnerability as: "A weakness in the computational logic (e.g., code) found in software and hardware components that, when exploited, results in a negative impact to confidentiality, integrity, or availability. Mitigation of the vulnerabilities in this ...
2026-09-13 04:05 UTC -
web:www.cvefind.com
Full details for CVE-2026-84390 : technical description, impact, CVSS/EPSS scores, linked CWE, CAPEC, affected CPEs, disclosure date, and mitigation options.
2026-09-13 04:05 UTC -
web:www.dell.com
Dell OpenManage Enterprise remediation is available for multiple security vulnerabilities that may be exploited by malicious users to compromise the affected system.
2026-09-13 04:05 UTC -
web:www.news4hackers.com
Fortinet patches 10 vulnerabilities, including critical flaws in FortiMonitorOnSight ( CVE-2026-84390 ) and Privileged Access Agent Chrome extension ( CVE - 2026 -84388), requiring updates to mitigate data exposure and authentication bypass risks. No active exploitation reported.
2026-09-13 04:05 UTC -
web:www.nist.gov
NIST maintains the National Vulnerability Database (NVD), a repository of information on software and hardware flaws that can compromise computer security. This is a key piece of the nation's cybersecurity infrastructure.
2026-09-13 04:05 UTC -
web:www.oracle.com
This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.
2026-09-13 04:05 UTC -
web:www.rapid7.com
CVE-2026-84390 : Fortinet FortiMonitorOnSight: A inclusion of sensitive information in source code vulnerability in Fortinet FortiMonitorOnSight 7.2.4 through 7.2.7,…. View severity, references, and remediation details from Rapid7.
2026-09-13 04:05 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-84390.json.
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