CVE-2026-26084

critical

Description

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.

References

https://www.securityweek.com/fortinet-patches-critical-vulnerabilities-in-fortimonitoronsight-chrome-extension/

https://fortiguard.fortinet.com/psirt/FG-IR-26-166

Details

Source: Mitre, NVD

Published: 2026-09-08

Updated: 2026-09-08

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C

Severity: High

CVSS v3

Base Score: 9.9

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H

Severity: Critical

EPSS

EPSS: 0.00238