---
id: CVE-2026-21741
title: >-
  An URL Redirection to Untrusted Site ('Open Redirect') vulnerability [CWE-601]
  vulnerability in Fortinet FortiNAC-F 7.6.0 through 7.6.5, FortiNAC-F 7.4 all
  versions, FortiNAC-F 7.2 all versions may allow a remote privileged attacker
  with…
summary: >-
  An URL Redirection to Untrusted Site ('Open Redirect') vulnerability [CWE-601]
  vulnerability in Fortinet FortiNAC-F 7.6.0 through 7.6.5, FortiNAC-F 7.4 all
  versions, FortiNAC-F 7.2 all versions may allow a remote privileged attacker
  with…
severity: low
cvss: 2.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-601
vendor: Fortinet
product: FortiNAC-F
affected:
  - FortiNAC-F >= 7.6.0 <= 7.6.5
  - FortiNAC-F >= 7.4.0 <= 7.4.4
  - FortiNAC-F >= 7.2.0 <= 7.2.9
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-04-14T16:15:45.406424Z'
published: '2026-04-14'
updated: '2026-11-06'
sourceUpdated: '2026-11-06T15:42:05.719Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-21741'
references:
  - url: 'https://fortiguard.fortinet.com/psirt/FG-IR-26-118'
    label: 'https://fortiguard.fortinet.com/psirt/FG-IR-26-118'
tags:
  - cve.org
epss: 0.00209
epssPercentile: 0.11149
ingestedAt: '2026-11-06T15:54:03.989Z'
---

## Overview

An URL Redirection to Untrusted Site ('Open Redirect') vulnerability [CWE-601] vulnerability in Fortinet FortiNAC-F 7.6.0 through 7.6.5, FortiNAC-F 7.4 all versions, FortiNAC-F 7.2 all versions may allow a remote privileged attacker with system administrator role to redirect users to an arbitrary website via crafted CSV file.

## Affected

- `FortiNAC-F >= 7.6.0 <= 7.6.5`
- `FortiNAC-F >= 7.4.0 <= 7.4.4`
- `FortiNAC-F >= 7.2.0 <= 7.2.9`

## Remediation

Upgrade to FortiNAC-F version 7.6.6 or above