CVE-2026-126247
Received
Received - Intake
Format String Vulnerability in Fortinet FortiAuthenticator
Vulnerability report for CVE-2026-126247, 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 use of externally-controlled format string vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated privileged attacker to execute unauthorized code or commands via http requests.
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-134 | The product uses a function that accepts a format string as an argument, but the format string originates from an external source. |
