CVE-2026-126243
Received
Received - Intake
Incorrect Authorization Bypass in Fortinet FortiAuthenticator
Vulnerability report for CVE-2026-126243, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-11
Last updated on: 2026-11-11
Assigner: Fortinet, Inc.
Description
Description
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. Full impersonation however requires the attacker to obtain pre-required id and data via other means.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Fortinet | FortiAuthenticator | From 8.0.0 (inc) to 8.0.3 (inc) |
| Fortinet | FortiAuthenticator | From 6.6.0 (inc) to 6.6.10 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-863 | The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. |
