API call is not returning blog posts when user is not authenticated

Issue Summary

Rest API calls are not returning blog posts when the user is not authenticated.

Environment

Steps to Reproduce

1. Set global permissions to allow anonymous access
2. Allow anonymous access on a space
3. Run rest/api/space/<SPACE KEY>/content
   or rest/api/search?cql=type%3Dblogpost%20order%20by%20created%20desc&limit=5&expand=content.version,content.body.export_view,content.history&excerpt=highlight&privacyMode=true
   • User shouldn't be authenticated

The issue is also reproducible while accessing the blog posts section on UI, the page tree won't be loaded.

Expected Results

If the blog posts are accessible anonymously, they should be returned by the API

Actual Results

The API calls are not returning blog posts, only pages can be found.

Notes

Workaround