In Flarum Core 0.1.0-beta.7.1, a serious leak can get everyone's email address.
{ "versions": [ { "introduced": "0" }, { "last_affected": "0.1.0-beta\\.7\\.1" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19133.json"