SSRF (Server Side Request Forgery) in Cockpit 0.13.0 allows remote attackers to read arbitrary files or send TCP traffic to intranet hosts via the url parameter, related to use of the discontinued aheinze/fetch_url_contents component.

The client in Jetro COCKPIT Secure Browsing (JCSB) 4.3.1 and 4.3.3 does not validate the FileName element in an RDP_FILE_TRANSFER document, which allows remote JCSB servers to execute arbitrary programs by providing a .EXE extension.