If you think you have found a bug or want to see a new feature in the C++ driver, please open an issue in JIRA:
Navigate to the CXX project.
Click Create Issue. Provide as much information as possible about the issue and the steps to reproduce it.
Be aware that bug reports in JIRA for the C++ driver are public.
If you identify a security vulnerability in a driver or any other MongoDB project, please report it according to the instructions found in Create a Vulnerability Report.