So if this is a macOS bug, you forget about it and get on with your life. If it's something else for which a bounty would be payable - what are the terms and conditions, exclusivity? -then you go ahead and agree to that and hopefully get paid. Is there something else?
Bug bounty programs run by Apple (for their other platforms) and Microsoft require you to agree to their draconian terms and conditions before you can even submit the bug.