Cross-Site Scripting Vulnerability in Fortinet FortiSandbox Products
CVE-2026-39812

4.3MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortisandbox
Fortisandbox Paas
Vendor
CVE Published:
14 April 2026

What is CVE-2026-39812?

An improper neutralization of input during web page generation in Fortinet FortiSandbox allows an attacker to execute unauthorized code or commands. This vulnerability affects multiple versions of FortiSandbox and FortiSandbox PaaS, enabling potential exploitation through crafted web input that could lead to unauthorized command execution.

Affected Version(s)

FortiSandbox 5.0.0 <= 5.0.4

FortiSandbox 4.4.0 <= 4.4.8

FortiSandbox 4.2.1 <= 4.2.8

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-110

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.