changelog/10.8.0_2021-07-15/38698
Bugfix: Add check when updating the permissions of a federated share
This fixes a security issue where a federated share recipient could
increase permissions on his share. We now limit the permission updates
to federated re-shares only.
https://github.com/owncloud/core/pull/38698
https://github.com/owncloud/enterprise/issues/4537