PYSEC-2026-3474 LightRAG: CORS Wildcard + Credentials Enables Any-Origin Credentialed Requests

Summary The server defaults to CORSORIGINS= combined with allowcredentials=True. Starlette's CORSMiddleware echoes the requesting origin in preflight responses when credentials are enabled, meaning every origin is effectively whitelisted for credentialed cross-origin requests. Any malicious websi...