diff --git a/vllm/entrypoints/openai/api_server.py b/vllm/entrypoints/openai/api_server.py
index 917b3bbbb982f..6c0a95ebb1ee7 100644
--- a/vllm/entrypoints/openai/api_server.py
+++ b/vllm/entrypoints/openai/api_server.py
@@ -910,6 +910,8 @@ TASK_HANDLERS: dict[str, dict[str, tuple]] = {
 }
 
 if envs.VLLM_SERVER_DEV_MODE:
+    logger.warning("SECURITY WARNING: Development endpoints are enabled! "
+                   "This should NOT be used in production!")
 
     @router.get("/server_info")
     async def show_server_info(raw_request: Request):