CVE-2026-126237

high

Description

A loop with unreachable exit condition ('infinite loop') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to cause a denial of service via crafted TCP requests.

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-252

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-123870

Details

Source: Mitre, NVD

Published: 2026-11-11

Updated: 2026-11-12

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H