FortiNAC-F 7.6.0-7.6.5, 7.4, 7.2: Open Redirect via CSV (CWE-601)
CVE-2026-21741 Published on April 14, 2026
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.
Vulnerability Analysis
CVE-2026-21741 can be exploited with network access, requires user interaction and user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is an Open Redirect Vulnerability?
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. An http parameter may contain a URL value and could cause the web application to redirect the request to the specified URL. By modifying the URL value to a malicious site, an attacker may successfully launch a phishing scam and steal user credentials. Because the server name in the modified link is identical to the original site, phishing attempts have a more trustworthy appearance.
CVE-2026-21741 has been classified to as an Open Redirect vulnerability or weakness.
Products Associated with CVE-2026-21741
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Affected Versions
Fortinet FortiNAC-F:- Version 7.6.0, <= 7.6.5 is affected.
- Version 7.4.0, <= 7.4.3 is affected.
- Version 7.2.0, <= 7.2.9 is affected.