Fortinet
CVE-2026-126251: 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 attacker to byp
CVE-2026-126251 Nov 11, 2026 Source: Vendor
In brief. Fortinet published CVE-2026-126251: 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 attacker to byp on November 11, 2026. It credits 1 researcher or team for 1 CVE.
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 attacker to bypass authentication and gain unauthorized access.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://nvd.nist.gov/vuln/detail/CVE-2026-126251
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Credited
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Credited as Gwendal Guegniaud of the Fortinet Product Security team with the use of the frontier AI model: Claude Mythos