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SECURITY ADVISORYFORTINETVERIFIED

PUBLISHER UPDATE · FORTINET-PRODUCTS-A8AC2B01FECBA6FF

FORTINET-PRODUCTS-A8AC2B01FECBA6FF release notes and known issues

Second-Order OS Command Injection via JSON Input on start vnc feature

Scope: Fortinet products. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

CVSSv3 Score: 9.1 An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in FortiSandbox, FortiSandbox Cloud and FortiSandbox PaaS WEB UI may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests. Revised on 2026-06-09 00:00:00

Improvements and security content

  • CVSSv3 Score: 9.1 An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in FortiSandbox, FortiSandbox Cloud and FortiSandbox PaaS WEB UI may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests. Revised on 2026-06-09 00:00:00

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Fortinet products

Affected versions

  • 9.1

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Official publisher evidence

FORTINETVERIFIED

Second-Order OS Command Injection via JSON Input on start vnc feature

Checked 7 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source