XML external entity (XXE) vulnerability in api/rest/status in SearchBlox 8.6.7 allows remote unauthenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.
https://www.exploit-db.com/exploits/44827/
https://gurelahmet.com/searchblox-8-6-7-out-of-band-xml-external-entity-oob-xxe-cve-2018-11586/
http://packetstormsecurity.com/files/148032/SearchBlox-8.6.7-XML-External-Entity-Injection.html