CVE-2026-21743

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CVSS 3.1

7.2 high

EPSS

<1%p28

Published

Feb 10, 2026 (Feb 10, 2026)

Modified

Jun 17, 2026

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.

Vendors: fortinet
Products: fortiauthenticator
Weakness: CWE-862
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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