What is CVE-2026-21741?

CVE-2026-21741 is a low-severity vulnerability in Fortinet Fortinac-f, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 2.4/10. Published 2026-04-14.

How severe is CVE-2026-21741?

Low severity. CVSS v3 base score is 2.4 out of 10.

Open Redirect in Fortinet Fortinac-f

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 7.2 all versions may allow a remote privileged attacker with s…

Vulnerability class: Open Redirect

EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.

Affected products

Fortinet Fortinac-f — versions 7.6.0, 7.4.0, 7.2.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

psirt@fortinet.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-21741?: CVE-2026-21741 is a low-severity vulnerability in Fortinet Fortinac-f, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 2.4/10. Published 2026-04-14.
How severe is CVE-2026-21741?: Low severity. CVSS v3 base score is 2.4 out of 10.