OS command injection in multiple endpoints

Summary

An Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability [CWE-78] in FortiSandbox may allow an authenticated attacker to execute unauthorized code on the underlying system via crafted HTTP requests.

Version Affected Solution
FortiSandbox 5.0 5.0.0 through 5.0.2 Upgrade to 5.0.3 or above
FortiSandbox 4.4 4.4.0 through 4.4.7 Upgrade to 4.4.8 or above
FortiSandbox 4.2 4.2 all versions Migrate to a fixed release
FortiSandbox 4.0 4.0 all versions Migrate to a fixed release

Acknowledgement

Fortinet is pleased to thank Jason McFadyen of Trend Research working with Trend Micro Zero Day Initiative for reporting this vulnerability under responsible disclosure.

Timeline

2025-12-09: Initial publication