CVE-2026-126251 PUBLISHED

Assigner: fortinet
Reserved: 10.11.2026 Published: 11.11.2026 Updated: 12.11.2026

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 attacker to bypass authentication and gain unauthorized access.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:F/RL:O/RC:C
CVSS Score: 9.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Fortinet
Product	FortiAuthenticator
Versions	Default: unaffected affected from 8.0.0 to 8.0.3 (incl.) affected from 6.6.0 to 6.6.10 (incl.)

Solutions

Upgrade to FortiAuthenticator version 8.0.4 or above Upgrade to FortiAuthenticator version 6.6.11 or above

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-265

Problem Types

Escalation of privilege CWE