In Spring Cloud Data Flow versions prior to 2.11.4,  a malicious user who has access to the Skipper server api can use a crafted upload request to write an arbitrary file to any location on the file system which could lead to compromising the server

In Spring Cloud Data Flow, versions 2.6.x prior to 2.6.5, versions 2.5.x prior 2.5.4, an application is vulnerable to SQL injection when requesting task execution.