SB2026051298 - Improper Neutralization of Argument Delimiters in a Command in FortiDeceptor



SB2026051298 - Improper Neutralization of Argument Delimiters in a Command in FortiDeceptor

Published: May 12, 2026

Security Bulletin ID SB2026051298
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2026-25690)

CWE-ID: CWE-88 - Argument Injection or Modification

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


The vulnerability allows a remote user to read log files.

The vulnerability exists due to improper neutralization of argument delimiters in a command in the FortiDeceptor web UI when handling crafted HTTP requests. A remote user can send a specially crafted request to read log files.

The issue requires at least read-only administrative permission.


Remediation

Install update from vendor's website.