This update for rmt-server to version 2.3.1 fixes the following issues:
rmt-cli systems list
{ "binaries": [ { "rmt-server-pubcloud": "2.3.1-3.3.3" } ] }
"https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2019:1973-1.json"
{ "binaries": [ { "rmt-server-config": "2.3.1-3.3.3", "rmt-server": "2.3.1-3.3.3" } ] }