system
Describe <CVE-2019-6503>.
user
What is <CVE-2019-6503>?
assistant
There is a deserialization vulnerability in Chatopera cosin v3.10.0. An attacker can execute commands during server-side deserialization by uploading maliciously constructed files. This is related to the TemplateController.java impsave method and the MainUtils toObject method..