An issue was discovered in OpenZFS through 2.0.3. When an NFS share is exported to IPv6 addresses via the sharenfs feature, there is a silent failure to parse the IPv6 address data, and access is allowed to everyone. IPv6 restrictions from the configuration are not applied.
Package list is empty or all packages have requested keywords.
This seems to have been patched, though based on the PR discussion it seems like there may be extra admin work to properly fix it: