CVE-2026-44277
Critical
Description
A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via crafted requests.
SeverityCritical
CVSS9.8
Exploit probability46. percentile0.6%
Product
Fortinet Fortiauthenticator
PublishedMay 12, 2026
First seenMay 12, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- fortinet fortiauthenticator6.5.7, 6.6.9, 8.0.3 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet fortiauthenticator | 6.4.0 ≤ v ≤ 6.4.10, 6.5.0 ≤ v < 6.5.7, 6.6.0 ≤ v < 6.6.9, 8.0.0 ≤ v < 8.0.3 | 6.5.7, 6.6.9, 8.0.3 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.