CVE-2019-11080
Sitecore Experience Platform (XP) prior to 9.1.1 is vulnerable to remote code execution via deserialization, aka TFS # 293863. An authenticated user with necessary permissions is able to remotely execute OS commands by sending a crafted serialized object.
Date published : 2019-06-06
http://packetstormsecurity.com/files/153274/Sitecore-8.x-Deserialization-Remote-Code-Execution.html