This has probably been an issue for some time now, so i solved it by adding the following to my Vagrantfile
config.vm.box_url = 'https://dl.rockylinux.org/pub/rocky/10/images/x86_64/Rocky-10-Vagrant-Vbox-10.1-20251116.0.x86_64.box'
Just find the latest Vbox-version in this directory
https://dl.rockylinux.org/pub/rocky/10/images/x86_64/