CVE-2026-21741 PUBLISHED

Assigner: fortinet
Reserved: 05.01.2026 Published: 14.04.2026 Updated: 14.04.2026

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.

Metrics

CVSS 3.1

CVSS Vector: 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
CVSS Score: 2.2

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	High	Integrity Impact	Low
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Fortinet
Product	FortiNAC-F
Versions	Default: unaffected affected from 7.6.0 to 7.6.5 (incl.) affected from 7.4.0 to 7.4.3 (incl.) affected from 7.2.0 to 7.2.9 (incl.)

Solutions

Upgrade to upcoming FortiNAC-F version 7.6.6 or above

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-118

Problem Types

Execute unauthorized code or commands CWE