diff --git a/litellm/proxy/common_request_processing.py b/litellm/proxy/common_request_processing.py
index c4be2187292..5d2dfdbae58 100644
--- a/litellm/proxy/common_request_processing.py
+++ b/litellm/proxy/common_request_processing.py
@@ -196,6 +196,22 @@ def _collect_response_file_search_vector_store_ids(data: Dict[str, Any]) -> set[
     return vector_store_ids
 
 
+def _collect_response_code_interpreter_container_ids(data: Dict[str, Any]) -> set[str]:
+    container_ids: set[str] = set()
+    tools = data.get("tools")
+    if not isinstance(tools, list):
+        return container_ids
+
+    for tool in tools:
+        if not isinstance(tool, dict) or tool.get("type") != "code_interpreter":
+            continue
+        container_id = tool.get("container")
+        if isinstance(container_id, str) and container_id:
+            container_ids.add(container_id)
+
+    return container_ids
+
+
 async def _authorize_response_file_search_vector_stores(
     data: Dict[str, Any],
     user_api_key_dict: UserAPIKeyAuth,
@@ -215,6 +231,30 @@ async def _authorize_response_file_search_vector_stores(
         )
 
 
+async def _authorize_response_code_interpreter_containers(
+    data: Dict[str, Any],
+    user_api_key_dict: UserAPIKeyAuth,
+) -> None:
+    container_ids = _collect_response_code_interpreter_container_ids(data)
+    if not container_ids:
+        return
+
+    from litellm.proxy.container_endpoints.ownership import (
+        assert_user_can_access_container,
+    )
+
+    custom_llm_provider = data.get("custom_llm_provider")
+    if not isinstance(custom_llm_provider, str) or not custom_llm_provider:
+        custom_llm_provider = "openai"
+
+    for container_id in sorted(container_ids):
+        await assert_user_can_access_container(
+            container_id=container_id,
+            user_api_key_dict=user_api_key_dict,
+            custom_llm_provider=custom_llm_provider,
+        )
+
+
 async def _parse_event_data_for_error(event_line: Union[str, bytes]) -> Optional[int]:
     """Parses an event line and returns an error code if present, else None."""
     event_line = event_line.decode("utf-8") if isinstance(event_line, bytes) else event_line
@@ -1062,6 +1102,10 @@ class ProxyBaseLLMRequestProcessing:
                 data=self.data,
                 user_api_key_dict=user_api_key_dict,
             )
+            await _authorize_response_code_interpreter_containers(
+                data=self.data,
+                user_api_key_dict=user_api_key_dict,
+            )
 
         # Calculate request queue time after add_litellm_data_to_request
         # which sets arrival_time in proxy_server_request
diff --git a/tests/test_litellm/containers/test_container_proxy_ownership.py b/tests/test_litellm/containers/test_container_proxy_ownership.py
index 176405bb9ca..17168660f1b 100644
--- a/tests/test_litellm/containers/test_container_proxy_ownership.py
+++ b/tests/test_litellm/containers/test_container_proxy_ownership.py
@@ -214,6 +214,87 @@ async def test_should_deny_untracked_container_access_by_default(monkeypatch):
     assert exc.value.status_code == 403
 
 
+@pytest.mark.asyncio
+async def test_response_code_interpreter_container_requires_owner_access(monkeypatch):
+    from litellm.proxy.common_request_processing import (
+        _authorize_response_code_interpreter_containers,
+    )
+
+    table = AsyncMock()
+    table.find_first.return_value = SimpleNamespace(created_by="user-2")
+    prisma_client = SimpleNamespace(
+        db=SimpleNamespace(litellm_managedobjecttable=table)
+    )
+    monkeypatch.setattr(
+        ownership,
+        "_get_prisma_client",
+        AsyncMock(return_value=prisma_client),
+    )
+    encoded_container_id = ResponsesAPIRequestUtils._build_container_id(
+        custom_llm_provider="azure",
+        model_id="azure-deployment-id",
+        container_id="cntr_native_123",
+    )
+
+    with pytest.raises(HTTPException) as exc:
+        await _authorize_response_code_interpreter_containers(
+            data={
+                "tools": [
+                    {
+                        "type": "code_interpreter",
+                        "container": encoded_container_id,
+                    }
+                ]
+            },
+            user_api_key_dict=UserAPIKeyAuth(user_id="user-1"),
+        )
+
+    assert exc.value.status_code == 403
+    table.find_first.assert_awaited_once_with(
+        where={
+            "model_object_id": "container:azure:cntr_native_123",
+            "file_purpose": ownership.CONTAINER_OBJECT_PURPOSE,
+        }
+    )
+
+
+@pytest.mark.asyncio
+async def test_response_code_interpreter_container_allows_owner(monkeypatch):
+    from litellm.proxy.common_request_processing import (
+        _authorize_response_code_interpreter_containers,
+    )
+
+    table = AsyncMock()
+    table.find_first.return_value = SimpleNamespace(created_by="user-1")
+    prisma_client = SimpleNamespace(
+        db=SimpleNamespace(litellm_managedobjecttable=table)
+    )
+    monkeypatch.setattr(
+        ownership,
+        "_get_prisma_client",
+        AsyncMock(return_value=prisma_client),
+    )
+    encoded_container_id = ResponsesAPIRequestUtils._build_container_id(
+        custom_llm_provider="azure",
+        model_id="azure-deployment-id",
+        container_id="cntr_native_123",
+    )
+
+    await _authorize_response_code_interpreter_containers(
+        data={
+            "tools": [
+                {
+                    "type": "code_interpreter",
+                    "container": encoded_container_id,
+                }
+            ]
+        },
+        user_api_key_dict=UserAPIKeyAuth(user_id="user-1"),
+    )
+
+    table.find_first.assert_awaited_once()
+
+
 @pytest.mark.asyncio
 async def test_should_not_reassign_existing_container_to_different_owner(monkeypatch):
     table = AsyncMock()