EXT:meilisearch comes with a plugin for the Apache Solr server to ensure TYPO3 access restrictions are enforced for search results, thus allowing visitors to only see results they are allowed to see. The plugin is not installed on the following server. It is recommended to install the plugin if you are using frontend user group access restrictions for your site.

Affected Solr server
Host {solr.primaryEndpoint.host}
Path {solr.corePath}
Port {solr.primaryEndpoint.port}

Please download and install the current version of the plugin .