FortiAuthenticator authz bypass in 6.6.0-6.6.10 & 8.0.0-8.0.3
CVE-2026-126238 Published on November 11, 2026
A incorrect authorization vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to bypass authorization checks and gain unauthorized access to restricted functionality.
Vulnerability Analysis
CVE-2026-126238 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a high impact on integrity, and a small impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-126238 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-126238
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Affected Versions
Fortinet FortiAuthenticator:- Version 8.0.0, <= 8.0.3 is affected.
- Version 6.6.0, <= 6.6.10 is affected.