admin/diagnostics page returns 404 in latest version (1.26.0)

[yggdrasil-tynor]

Subject of the issue

admin/diagnostics returns a 404 in latest version (1.26.0).

Deployment environment

Docker in Azure App Service (cannot post diagnostics as it is not working anymore)

• vaultwarden version:
  1.26.0

• Install method:
  docker run @ Azure

• Clients used:
  web client

• MySQL/MariaDB or PostgreSQL version:
  Embedded database (sqlite)

Steps to reproduce

Running latest tag of vaultwarden/server:alpine

Expected behaviour

Show the diagnostics page

Actual behaviour

404 site

Troubleshooting data

2022-11-01T11:06:01.448767120Z [2022-11-01 11:06:01.447][request][INFO] GET /admin/diagnostics
2022-11-01T11:06:01.449452230Z [2022-11-01 11:06:01.447][][WARN] Request guard AdminToken is forwarding.
2022-11-01T11:06:01.449464530Z [2022-11-01 11:06:01.447][][WARN] Response was None.
2022-11-01T11:06:01.449469030Z [2022-11-01 11:06:01.447][_][WARN] Responding with registered (not_found) 404 catcher.
2022-11-01T11:06:01.449473230Z [2022-11-01 11:06:01.448][response][INFO] (web_files) GET /<p..> [10] => 404 Not Found

[BlackDex]

You need to go to /admin first, login, and after that you can go to the diagnostics page.