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Medium severity · published Apr 14, 2026
CVE-2026-21741
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…
4.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiNAC-F · Fortinet
7.6.0 through 7.6.5; 7.4.0 through 7.4.3; 7.2.0 through 7.2.9 · source: vendor, NVD
Affected product
FO
FortiNAC-F
Fortinet
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21741
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21741
Vendor Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-26-118
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