SB2026051377 - Denial of service in FortiAnalyzer and FortiManager



SB2026051377 - Denial of service in FortiAnalyzer and FortiManager

Published: May 13, 2026

Security Bulletin ID SB2026051377
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Use of Potentially Dangerous Function (CVE-ID: CVE-2025-67604)

CWE-ID: CWE-676 - Use of Potentially Dangerous Function

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


The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to use of potentially dangerous function in API when handling multiple specially crafted HTTP requests. A remote user can send multiple specially crafted HTTP requests to cause a denial of service.

Exploitation is possible only if internal locks are aligned, which is out of control of the attacker.


Remediation

Install update from vendor's website.