CVE-2026-21743

No fix known EPSS <1%CVSS 6.8

A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.

Published 2026-02-10 · CVE record · OSV

Products: Fortinet FortiAuthenticator