Fortinet FortiSIEM 6.4.x <= 7.2.7 / 7.3.x <= 7.3.5 / 7.4.x <= 7.4.2 / 7.5.x <= 7.5.1 Missing Authorization (FG-IR-26-183)

low Nessus Plugin ID 370433

Synopsis

The remote host is affected by a missing authorization vulnerability.

Description

The version of Fortinet FortiSIEM running on the remote host is 6.4.x through 7.2.7, 7.3.x through 7.3.5, 7.4.x through 7.4.2, or 7.5.x through 7.5.1. It is, therefore, affected by a missing authorization vulnerability:

- A missing authorization vulnerability in FortiSIEM GUI may allow an authenticated attacker to execute unauthorized code or commands via specially crafted HTTP requests. (CVE-2026-106176)

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

Solution

Upgrade to Fortinet FortiSIEM 7.6 or later. For other branches, upgrade to a fixed version when available.

See Also

https://fortiguard.fortinet.com/psirt/FG-IR-26-183

Plugin Details

Severity: Low

ID: 370433

File Name: fortinet_fortisiem_FG-IR-26-183.nasl

Version: 1.3

Type: Combined

Agent: unix

Family: Misc.

Published: 10/22/2026

Updated: 10/23/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 8.18

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

CVSS Score Source: CVE-2026-106176

CVSS v3

Risk Factor: Low

Base Score: 3.8

Temporal Score: 3.3

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

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

Vulnerability Information

CPE: cpe:/a:fortinet:fortisiem

Required KB Items: installed_sw/Fortinet FortiSIEM

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/13/2026

Reference Information

CVE: CVE-2026-106176

IAVB: 2026-B-0300