Hubzilla ignored permission settings for mentioned articles
Test procedure Hubzilla member X published one article A with access permissions for group XY. Article A has the URL https:/domain.tld/articles/observerwebname/article123 [1]. Hubzilla member Z isn't member of 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.