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 unauthenticated attacker to cause a denial of service via HTTP requests.
https://fortiguard.fortinet.com/psirt/FG-IR-26-264
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-123894
Source: Mitre, NVD
Published: 2026-11-11
Updated: 2026-11-12
Base Score: 8.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:C
Severity: High
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS: 0.00367