diff --git a/vllm/distributed/kv_transfer/kv_connector/v1/shared_storage_connector.py b/vllm/distributed/kv_transfer/kv_connector/v1/shared_storage_connector.py
index 1d2040784e6c..f91ffbc720e7 100644
--- a/vllm/distributed/kv_transfer/kv_connector/v1/shared_storage_connector.py
+++ b/vllm/distributed/kv_transfer/kv_connector/v1/shared_storage_connector.py
@@ -357,7 +357,8 @@ def _generate_foldername_debug(
         ids.
         """
         input_ids_bytes = input_ids.numpy().tobytes()
-        input_ids_hash = hashlib.md5(input_ids_bytes).hexdigest()
+        input_ids_hash = hashlib.md5(input_ids_bytes,
+                                     usedforsecurity=False).hexdigest()
         foldername = os.path.join(self._storage_path, input_ids_hash)
         if create_folder:
             os.makedirs(foldername, exist_ok=True)
diff --git a/vllm/envs.py b/vllm/envs.py
index 03a8a2b20f02..ea40bfff11b5 100644
--- a/vllm/envs.py
+++ b/vllm/envs.py
@@ -794,6 +794,7 @@ def factorize(name: str):
         if key in environment_variables:
             factorize(key)
 
-    hash_str = hashlib.md5(str(factors).encode()).hexdigest()
+    hash_str = hashlib.md5(str(factors).encode(),
+                           usedforsecurity=False).hexdigest()
 
     return hash_str