CVE-2026-21743 – Fortinet FortiAuthenticator Missing Authorization Vulnerability

CVE ID : CVE-2026-21743

Published : Feb. 10, 2026, 3:39 p.m. | 42 minutes ago

Description : 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.

Severity: 6.8 | MEDIUM

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