CVE-2026-26084

Critical9.9Published on September 8, 2026

A improper access control vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow attacker to access sensitive information via crafted HTTP requests.

CVSS score9.9 / 10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H

Weakness type (CWE)CWE-284

Vulnerabilities

Fortinet Fixes Critical Authentication Flaws in FortiMonitorOnSight and Chrome Extension

Fortinet patched 10 flaws, including critical JWT auth bypass in FortiMonitorOnSight and Chrome extension proxy bug. Update FortiPAM and extension now.

Sep 9, 202617:445 min readRead

This product uses the NVD API but is not endorsed or certified by the NVD.

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Fortinet Fixes Critical Authentication Flaws in FortiMonitorOnSight and Chrome Extension