User Criteria did not restrict KB knowledge access on the portalIssue User Criteria did not restrict user to access Knowledge base from the portal.ReleaseFrom San Diego.CauseUser Criteria has no content, like restricted role, user or script, it means the user criteria restricts nothing. So anyone can access the knowledge base which is restricted by the empty user criteria. This is working as expected.ResolutionMaintain at least restriction in the user criteria.