SB2026111116 - Arbitrary file upload in FortiAnalyzer and FortiManager



SB2026111116 - Arbitrary file upload in FortiAnalyzer and FortiManager

Published: November 11, 2026

Security Bulletin ID SB2026111116
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Arbitrary file upload (CVE-ID: CVE-2026-126233)

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

CVSSv4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to unrestricted upload of file with dangerous type in httpd. An authenticated administrator can upload arbitrary files via specially crafted requests.


Remediation

Install update from vendor's website.