CVE-2026-21743

Summary

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.

Affected Software

VendorProductVersion RangeStatus
FortinetFortiAuthenticator6.6.0 <= 6.6.6affected
FortinetFortiAuthenticator6.5.0 <= 6.5.7affected
FortinetFortiAuthenticator6.4.0 <= 6.4.11affected
FortinetFortiAuthenticator6.3.0 <= 6.3.5affected

Weaknesses

  • CWE-862: Improper access control

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References