OpenCTI has remote code execution and sensitive secrets exposed through web hook

OpenCTI is an open cyber threat intelligence (CTI) platform. Prior to version 6.4.11 any user with the capability manage customizations can execute commands on the underlying infrastructure where OpenCTI is hosted and can access internal server side secrets by misusing the web-hooks. Since the malicious user gets a root shell inside a container this opens up the the infrastructure environment for further attacks and exposures. Version 6.4.11 fixes the issue.