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Unrated severityNVD Advisory· Published Feb 10, 2026· Updated Feb 12, 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

2
  • Fortinet/Fortiauthenticatorcpe-rescue2 versions
    cpe:2.3:a:fortinet:fortiauthenticator:6.6.6:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:fortinet:fortiauthenticator:6.6.6:*:*:*:*:*:*:*range: 6.6.0
    • (no CPE)range: <=6.6.6

Patches

Vulnerability mechanics

References

1

News mentions

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