BerriAI/litellm · error · ValueError

Oauth 2.0 Token validation failed: {e}

Error message

Oauth 2.0 Token validation failed: {e}

What it means

Except-handler in OAuth2 token validation: an httpx.HTTPStatusError escaped while calling the introspection/userinfo endpoint; the exception text (status, URL, body) is embedded in the 401-raising error.

Source

Thrown at litellm/proxy/auth/oauth2_check.py:210

                raise ValueError("Token is not active")

            # Extract user information from response
            user_id, user_role, user_team_id = Oauth2Handler._extract_user_info(
                response_data=data,
                user_id_field_name=user_id_field_name,
                user_role_field_name=user_role_field_name,
                user_team_id_field_name=user_team_id_field_name,
            )

            return UserAPIKeyAuth(
                api_key=token,
                team_id=user_team_id,
                user_id=user_id,
                user_role=cast(LitellmUserRoles, user_role),
            )
        except httpx.HTTPStatusError as e:
            # This will catch any 4xx or 5xx errors
            raise ValueError(f"Oauth 2.0 Token validation failed: {e}")
        except Exception as e:
            # This will catch any other errors (like network issues)
            raise ValueError(f"An error occurred during token validation: {e}")

View on GitHub (pinned to 77b7c6c40c)

Solutions

  1. Verify OAUTH_TOKEN_INFO_ENDPOINT is reachable from the proxy and returns a valid response.
  2. Check network connectivity, TLS, and any credentials required by the token info endpoint.

Example fix

curl -v $OAUTH_TOKEN_INFO_ENDPOINT to confirm the endpoint responds correctly.
Defensive patterns

Strategy: try-catch

When it happens

Trigger: Thrown at litellm/proxy/auth/oauth2_check.py:210 when the library encounters an invalid state.

Common situations: The call to the OAuth2 token info endpoint raised an exception (network error, timeout, or unexpected response).

AI-assisted analysis of BerriAI/litellm@77b7c6c40c (2026-08-18). Data as JSON: /api/errors/c6d2cd3598bd5892. Report an issue: GitHub.