This update for nextcloud fixes the following issues:
Update to 20.0.12
Fixed security issues (boo#1190291):
Changes
{ "binaries": [ { "nextcloud": "20.0.12-31.1", "nextcloud-apache": "20.0.12-31.1" } ] }
"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2021:1252-1.json"