Fortinet Fortigate GUI DoS (FG-IR-26-181)

high Nessus Plugin ID 366109

Synopsis

Fortinet Firewall is missing one or more security-related updates.

Description

The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the FG-IR-26-181 advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

For 7.6.x, upgrade to Fortigate version 7.6.7 or later. For 8.0.x, upgrade to Fortigate version 8.0.1 or later.

See Also

https://www.fortiguard.com/psirt/FG-IR-26-181

Plugin Details

Severity: High

ID: 366109

File Name: fortigate_FG-IR-26-181.nasl

Version: 1.1

Type: Local

Family: Firewalls

Published: 10/15/2026

Updated: 10/15/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-106174

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:fortinet:fortios

Required KB Items: Host/Fortigate/model, Host/Fortigate/version

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2026

Vulnerability Publication Date: 10/13/2026

Reference Information

CVE: CVE-2026-106174