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Fortinet PSIRT AdvisoriesFG-IR-26-271

Authentication bypass

CriticalVendor CVSS 9.0 / 10 1 CVE Published Nov 10, 2026 at 8:00 AM UTC

Summary

CVSSv3 Score:

9.0

A Use of Hard-coded Password [CWE-259] vulnerability in FortiAuthenticator may allow an unauthenticated attacker to bypass credential validation in certain circumstances outside of the attacker's control and gain unauthorized access.

Revised on 2026-11-10 00:00:00

Products covered

  • FortiAuthenticator

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 1

Updates

  1. Published by Fortinet

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.