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CVE-2026-21741: Execute unauthorized code or commands in Fortinet FortiNAC-F

0
Low
VulnerabilityCVE-2026-21741cvecve-2026-21741
Published: Tue Apr 14 2026 (04/14/2026, 15:39:45 UTC)
Source: CVE Database V5
Vendor/Project: Fortinet
Product: FortiNAC-F

Description

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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/14/2026, 16:18:11 UTC

Technical Analysis

This vulnerability in Fortinet FortiNAC-F products involves an Open Redirect (CWE-601) flaw that can be exploited by a remote attacker holding system administrator privileges. By crafting a malicious CSV file, the attacker can cause the system to redirect users to untrusted external websites. The affected versions include FortiNAC-F 7.6.0 through 7.6.5, 7.4 all versions, and 7.2 all versions. The CVSS v3.1 base score is 2.2, indicating low severity with partial impact on integrity and requiring user interaction. The vendor has released an official fix for this vulnerability.

Potential Impact

The vulnerability allows a privileged remote attacker to redirect users to arbitrary external websites, which could potentially be used for phishing or other social engineering attacks. There is no direct impact on confidentiality or availability. The attack requires the attacker to have system administrator privileges and user interaction to succeed. No known exploits are reported in the wild.

Mitigation Recommendations

An official patch is available from Fortinet to remediate this vulnerability. Users of affected FortiNAC-F versions should apply the vendor's update promptly to eliminate the risk. Since the vulnerability requires system administrator privileges and user interaction, applying the patch effectively mitigates the threat.

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Technical Details

Data Version
5.2
Assigner Short Name
fortinet
Date Reserved
2026-01-05T14:17:53.224Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix

Threat ID: 69de650582d89c981fbed4eb

Added to database: 4/14/2026, 4:02:13 PM

Last enriched: 4/14/2026, 4:18:11 PM

Last updated: 4/15/2026, 5:54:48 AM

Views: 9

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