I have two applications set up on the same tenant with separate databases as follows: AppA uses DatabaseA, which is only enabled for AppA. Its users are meant to log in through Business Users > Prompt for Credentials login. UserA is stored in DatabaseA and belongs to OrgA, which also connects to D…

Users able to access app within same tenant despite being in a different database

vlad.murarasu September 17, 2025, 1:02pm 3

Welcome to the Auth0 Community!

The issue might be that SSO gets triggered from AppB to AppA. I found this Knowledge article about SSO, and it might be of use:

If you have further questions, feel free to reach out.

Have a good one,
Vlad

Topic		Replies	Views
User is able to access a second app that their connection is not enabled in Get Help connections , custom-database-connections	0	1065	January 18, 2023
Sign into two different apps within same tenant Get Help	4	3235	January 22, 2020
SSO between two applications having separate Auth0 databases Get Help management-api , client-grants	2	943	August 29, 2023
2 applications 1 login Get Help auth0 , login	5	3431	May 22, 2021
Single Sign On - Not Working Get Help	7	6780	April 11, 2020