Yamcs 5.8.6 is vulnerable to directory traversal (issue 1 of 2). The vulnerability is in the storage functionality of the API and allows one to escape the base directory of the buckets, freely navigate system directories, and read arbitrary files.
Cross Site Scripting vulnerability in Space Applications Services Yamcs v.5.8.6 allows a remote attacker to execute arbitrary code via crafted telecommand in the timeline view of the ArchiveBrowser.