Stockstory user got added without permission

Infos:

  • Used Zammad version: 6.3.1
  • Used Zammad installation type: Docker compose
  • Operating system: Rocky linux 9
  • Browser + version:

Expected behavior:

  • No user should be added without permission

Actual behavior:

  • User stockstory was added to my zammad without permission and was creating tickets

Is this a feature of zammad?