CVE-2026-26084CWE-284broken-access-control

CVE-2026-26084

Critical · published September 8, 2026

CVSS v3.1
9.9
EPSS
0%
Percentile
31.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H
CVSS v4.0
Not supplied
EPSS
0.00390 · 31.9th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-09-08T21:17Z
References (1)
https://fortiguard.fortinet.com/psirt/FG-IR-26-166 · [email protected]
EPSS history
Timeline
  • 10 SEP 03:16Z
    EPSS moved — → 0%
    epss
  • 08 SEP 16:41Z
    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…
    cvelistv5