invalid_scope api auth_error ai_generated true

400 Bad Request: invalid_scope. The requested scope is invalid, unknown, or malformed.

ID: api/oauth2-invalid-scope

Also available as: JSON · Markdown · 中文
90%Fix Rate
90%Confidence
1Evidence
2023-06-20First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
OAuth 2.0 RFC 6749 active — — —
Google Identity Platform active — — —
Auth0 Node.js SDK v3.0 active — — —

Root Cause

OAuth2 authorization request includes a scope value not recognized by the authorization server or not granted by the user.

generic

中文

OAuth2授权请求包含授权服务器未识别或用户未授予的作用域值。

Official Documentation

https://datatracker.ietf.org/doc/html/rfc6749#section-5.2

Workarounds

  1. 95% success Verify the exact scope names supported by the API provider. For Google OAuth2, use 'openid email profile' instead of 'email profile'. Example: GET https://accounts.google.com/o/oauth2/v2/auth?scope=openid%20email%20profile&... 
    Verify the exact scope names supported by the API provider. For Google OAuth2, use 'openid email profile' instead of 'email profile'. Example: GET https://accounts.google.com/o/oauth2/v2/auth?scope=openid%20email%20profile&...
  2. 90% success Remove any custom or unsupported scopes from the request. Check the provider's documentation for allowed values (e.g., 'read', 'write', 'admin'). 
    Remove any custom or unsupported scopes from the request. Check the provider's documentation for allowed values (e.g., 'read', 'write', 'admin').
  3. 85% success If using incremental authorization, ensure the scope parameter is a space-delimited string, not comma-separated. 
    If using incremental authorization, ensure the scope parameter is a space-delimited string, not comma-separated.

中文步骤

  1. Verify the exact scope names supported by the API provider. For Google OAuth2, use 'openid email profile' instead of 'email profile'. Example: GET https://accounts.google.com/o/oauth2/v2/auth?scope=openid%20email%20profile&...
  2. Remove any custom or unsupported scopes from the request. Check the provider's documentation for allowed values (e.g., 'read', 'write', 'admin').
  3. If using incremental authorization, ensure the scope parameter is a space-delimited string, not comma-separated.

Dead Ends

Common approaches that don't work:

  1. 80% fail

    Adding extra scopes without checking server documentation leads to immediate rejection by the authorization server.

  2. 70% fail

    Using deprecated scope names (e.g., 'email' vs 'openid email') causes 400 error because the server expects specific format.