I have a singleplayer hardcore world where I can be kicked for spamming in chat. When I get kicked I end up on the multiplayer server browser. It only works in hardcore, and only when I'm trying to sleep and then spam. I tried it a couple times with different worlds and it happened every time.
Linked issues
Comments

Thank you for your report!
We're tracking this issue in MC-14923, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
-- I am a bot. This action was performed automatically! Please report any issues on Discord or Reddit