Steps to reproduce
Create 2 Vaults having the same name and generate an URI pointing to the Welcome page for each.
Did you follow the troubleshooting guide? [Y/N]
Y
Expected result
Two distinct URIs pointing to each Vault.
For example using the uid of the Vault as additional key to differentiate between them.
Actual result
Two idendical URIs that open the first vault created.
Environment
Additional information
Since it is more likely an oversight in the URI sheme than an actual bug, I did not test inside KDE/Gnome as it is unrelated to the Desktop environment.