CVE-2026-126239
HIGH
NVD
CVSS Score
7.5
Severity
HIGH
Published
Nov 11, 2026
Vendor
unknown
Description
A stack-based buffer overflow vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to crash the FSSO subsystem via crafted http requests