Test procedure: Hubzilla member X published one article A with access permissions for group XY. Article A has the URL https://hub.freecommunication.org/articles//article123 [1]. Hubzilla member Z isn't member of group XY and insert the URL [1] in one publicly accessible post P.

Incorrect behaviour, bug
Hubzilla insert the complete content of article A in publicly accessible post P.

!Hubzilla Development #HubzillaBug #PermissionSettings
Bug report "Hubzilla ignored permission settings for mentioned articles" - https://framagit.org/hubzilla/core/issues/1334