SB2026031085 - Multifactor authentication bypass in FortiAnalyzer and FortiManager



SB2026031085 - Multifactor authentication bypass in FortiAnalyzer and FortiManager

Published: March 10, 2026

Security Bulletin ID SB2026031085
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2026-22572)

CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass 2FA authentication checks.

The vulnerability exists due to authentication bypass using an alternate path or channel in GUI. A remote  attacker with knowledge of the admins password can bypass multifactor authentication checks via submitting multiple crafted requests and gain unauthorized access to the system.


Remediation

Install update from vendor's website.