CVE-2026-21743

HIGH

7.2

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.

CVE Details

CVSS v3.1 Score7.2

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredHIGH

User InteractionNONE

Published2/10/2026

Last Modified2/12/2026

Sourcenvd

Honeypot Sightings0

Affected Products

fortinet:fortiauthenticator

Weaknesses (CWE)

CWE-862

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-528(psirt@fortinet.com)

IOC Correlations

No correlations recorded

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