Issue with whitespace character in user_info response

Hello guys !

We started seeing this error today while trying to log into in our application. It occurs in all our environments and there was no release on our end. Looking at Auth0 status page, seems they were some instability yesterday, could it be related ?

org.springframework.security.oauth2.core.OAuth2AuthenticationException: [invalid_user_info_response] An error occurred while attempting to retrieve the UserInfo Resource: Error while extracting response for type [java.util.Map<java.lang.String, java.lang.Object>] and content type [application/json;charset=utf-8]; nested exception is org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Illegal character ((CTRL-CHAR, code 31)): only regular white space (\r, \n, \t) is allowed between tokens; nested exception is com.fasterxml.jackson.core.JsonParseException: Illegal character ((CTRL-CHAR, code 31)): only regular white space (\r, \n, \t) is allowed between tokens

In the meantime, we’re trying to find a solution on our end.
Any hints ?

Thanks !

It seems the https response is not valid json while the http response is fine on the userinfo endpoint.
Auth0 is investigating, we have a private ticket with them as we speak.
I’ll close that thread for now.

Thanks a lot for letting us know!

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