hey I'm trying to do OIDC login with Auth0 - I'm getting the following in Kratos errors logged when it tries to hit the Auth0 userinfo endpoint:

{
  "audience": "application",
  "level": "info",
  "msg": "[DEBUG] GET <https://dev-as64-y39.us.auth0.com/userinfo>",
  "service_name": "Ory Kratos",
  "service_version": "v26.2.0",
  "time": "2026-08-28T03:53:53.998753441Z"
}

Then the following error:

"error": {
    "debug": "",
    "message": "Upstream error",
    "reason": "provider did not return a subject",
    "status": "Bad Gateway",
    "status_code": 502
  },

Other oidc providers, like Google, are working fine. Anyone know what's going on?

This most likely has to do with you mapping or with the

sub

value that Auth0 is configured to send back. I would attempt to view the JWT that Auth0 sends out and inspect it to see the

sub

format and if it matches what you expect.