BerriAI/litellm · error · ProxyException

GOOGLE_CLIENT_SECRET

GOOGLE_CLIENT_SECRET

Error message

GOOGLE_CLIENT_SECRET not set. Set it in .env file

What it means

ProxyException raised in the Google SSO callback: GOOGLE_CLIENT_SECRET is not set in the environment, so the OAuth code exchange with Google cannot be completed. A proxy configuration error requiring the secret to be added to .env before Google login works.

Source

Thrown at litellm/proxy/management_endpoints/ui_sso.py:4537

    @staticmethod
    async def get_google_callback_response(
        request: Request,
        google_client_id: str,
        redirect_url: str,
        return_raw_sso_response: bool = False,
    ) -> OpenID | dict:
        """
        Get the Google SSO callback response

        Args:
            return_raw_sso_response: If True, return the raw SSO response
        """
        from fastapi_sso.sso.google import GoogleSSO

        google_client_secret: Final = os.getenv("GOOGLE_CLIENT_SECRET", None)
        if google_client_secret is None:
            raise ProxyException(
                message="GOOGLE_CLIENT_SECRET not set. Set it in .env file",
                type=ProxyErrorTypes.auth_error,
                param="GOOGLE_CLIENT_SECRET",
                code=status.HTTP_500_INTERNAL_SERVER_ERROR,
            )
        google_sso: Final = GoogleSSO(
            client_id=google_client_id,
            redirect_uri=redirect_url,
            client_secret=google_client_secret,
        )

        # if user is trying to get the raw sso response for debugging, return the raw sso response
        if return_raw_sso_response:
            return (
                await google_sso.verify_and_process(
                    request=request,
                    convert_response=False,
                )

View on GitHub (pinned to 77b7c6c40c)

Solutions

1. Set GOOGLE_CLIENT_SECRET in the .env file and restart the proxy.

When it happens

Trigger: Thrown at litellm/proxy/management_endpoints/ui_sso.py:4537 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of BerriAI/litellm@77b7c6c40c (2026-08-18). Data as JSON: /api/errors/354dde100b437320. Report an issue: GitHub.