Edit for future readers: This has been solved. It was a bug with Discourse social logins and fullscreen_login. For those using Keycloak as their SSO provider like me, make sure you: Set your valid redirect URI to https://yourforum.com/auth/oidc/callback Set your Root URI to the same thing. Make su…

I just fixed an issue relating to ‘full screen login’ registrations for open communities (login_required communities were not affected). Please try updating Discourse and see if that helps. https://github.com/discourse/discourse/commit/49593d1a00a81f443a63fcc9409e891cc4c5e439

OpenID Connect extension not creating new Discourse users

Ondersteuning

Topic		Antwoorden	Weergaven
Setup DiscourseConnect - Official Single-Sign-On for Discourse (sso) Integrations sso , discourseconnect , configuring , how-to	46	456223	27 mei 2026
CSRF problem in development with 'Discourse OpenID Connect' plug-in Development	7	1080	28 oktober 2023
Integration into custom auth system where emails are not unique? SSO email	39	1492	7 mei 2024
Discourse OpenID Connect (OIDC) Plugin official , openid-connect , auth-plugins , included-in-core	46	49468	27 mei 2026
Configure sign up and log in with Auth0 using the OAuth2 Basic Plugin Integrations sso , oauth2 , auth-plugins , how-to	73	20080	16 december 2025

OpenID Connect extension not creating new Discourse users

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