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High severity7.2NVD Advisory· Published Feb 10, 2026· Updated Jun 17, 2026

CVE-2026-21743

CVE-2026-21743

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Fortinet/Fortiauthenticator3 versions
    cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*range: >=6.3.0,<6.6.7
    • cpe:2.3:a:fortinet:fortiauthenticator:6.6.6:*:*:*:*:*:*:*range: 6.6.0
    • (no CPE)range: 6.6.0 through 6.6.6, 6.5.x, 6.4.x, 6.3.x

Patches

Vulnerability mechanics

References

1

News mentions

0

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