PT-2026-32662 · Fortinet · Fortinac-F

Published 2026-04-14 · Updated 2026-04-19 · CVE-2026-21741

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Medium

Base vector

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions FortiNAC-F versions 7.6.0 through 7.6.5 FortiNAC-F 7.4 (affected versions not specified) FortiNAC-F 7.2 (affected versions not specified)

Description An Open Redirect issue exists where a remote privileged attacker with a system administrator role can redirect users to an arbitrary website. This is achieved by uploading a crafted CSV file, which serves as a social engineering vector.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Open Redirect

Weakness Enumeration

CWE-601

Related Identifiers

BDU:2026-05561

CVE-2026-21741

Affected Products

Fortinac-F

References · 5

• https://fortiguard.fortinet.com/psirt/FG-IR-26-118 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-05561 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-21741 · Security Note
• https://twitter.com/CVEnew/status/2045889759080243429 · Twitter Post
• https://twitter.com/0dayPublishing/status/2044093237686669641 · Twitter Post