SB2026051298 - Improper Neutralization of Argument Delimiters in a Command in FortiDeceptor
Published: May 12, 2026
Breakdown by Severity
- 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.