CVE-2026-21741: Medium severity Fortinet FortiNAC-F vulnerability

Published Apr 14, 2026
·
Updated

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 Software

2 affected components
Fortinet FortiNAC-F>=7.6.0<=7.6.5, =7.4 (all versions), =7.2 (all versions)
Fortinet FortiNAC-F>=7.2.0<7.6.6

Remediation

Information

Upgrade to upcoming FortiNAC-F version 7.6.6 or above

Event History

Apr 14, 2026
CVE Published
via MITRE·03:39 PM
Data Sourced
via MITRE·03:39 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-21741?

CVE-2026-21741 has a high severity rating due to its potential to allow remote attackers to redirect users to malicious sites.

2

How do I fix CVE-2026-21741?

To fix CVE-2026-21741, upgrade to Fortinet FortiNAC-F versions 7.6.6 or later by applying the latest patches provided by Fortinet.

3

Who is affected by CVE-2026-21741?

CVE-2026-21741 affects Fortinet FortiNAC-F versions 7.6.0 to 7.6.5, 7.4 (all versions), and 7.2 (all versions).

4

What type of vulnerability is CVE-2026-21741?

CVE-2026-21741 is classified as an Open Redirect vulnerability, allowing redirection to untrusted sites.

5

Can CVE-2026-21741 be exploited remotely?

Yes, CVE-2026-21741 can be exploited remotely by an attacker with system administrator privileges.

Contact

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