Improper Neutralization of Argument Delimiters in a Command in FortiDeceptor - CVE-2026-25690
Published: May 12, 2026
Vulnerability identifier: #VU131205
CSH Severity: Low
CVSS v4: 5.3 [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]
CVE-ID: CVE-2026-25690
CWE-ID: CWE-88
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
FortiDeceptor
How to mitigate CVE-2026-25690
Install security update from vendor's website.
FortiDeceptor - update to 6.1.0