running-elephant Datart File Upload import extractModel deserialization

A vulnerability was found in running-elephant Datart 1.0.0-rc3. It has been rated as critical. Affected by this issue is the function extractModel of the file /import of the component File Upload. The manipulation of the argument file leads to deserialization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.