diff --git a/airflow-core/src/airflow/api_fastapi/core_api/routes/public/xcom.py b/airflow-core/src/airflow/api_fastapi/core_api/routes/public/xcom.py
index 59f314b6540a2..c05ae6246a8d9 100644
--- a/airflow-core/src/airflow/api_fastapi/core_api/routes/public/xcom.py
+++ b/airflow-core/src/airflow/api_fastapi/core_api/routes/public/xcom.py
@@ -87,7 +87,7 @@ def get_xcom_entry(
         dag_ids=dag_id,
         map_indexes=map_index,
         limit=1,
-    )
+    ).options(joinedload(XComModel.task), joinedload(XComModel.dag_run).joinedload(DR.dag_model))
 
     # We use `BaseXCom.get_many` to fetch XComs directly from the database, bypassing the XCom Backend.
     # This avoids deserialization via the backend (e.g., from a remote storage like S3) and instead
@@ -162,7 +162,7 @@ def get_xcom_entries(
     query = (
         query.join(DR, and_(XComModel.dag_id == DR.dag_id, XComModel.run_id == DR.run_id))
         .join(DagModel, DR.dag_id == DagModel.dag_id)
-        .options(joinedload(XComModel.dag_run).joinedload(DR.dag_model))
+        .options(joinedload(XComModel.task), joinedload(XComModel.dag_run).joinedload(DR.dag_model))
     )
 
     if task_id != "~":
@@ -284,7 +284,7 @@ def create_xcom_entry(
             XComModel.map_index == request_body.map_index,
         )
         .limit(1)
-        .options(joinedload(XComModel.dag_run).joinedload(DR.dag_model))
+        .options(joinedload(XComModel.task), joinedload(XComModel.dag_run).joinedload(DR.dag_model))
     )
 
     return XComResponseNative.model_validate(xcom)
@@ -325,7 +325,7 @@ def update_xcom_entry(
             XComModel.map_index == patch_body.map_index,
         )
         .limit(1)
-        .options(joinedload(XComModel.dag_run).joinedload(DR.dag_model))
+        .options(joinedload(XComModel.task), joinedload(XComModel.dag_run).joinedload(DR.dag_model))
     )
 
     if not xcom_entry:
diff --git a/airflow-core/src/airflow/models/xcom.py b/airflow-core/src/airflow/models/xcom.py
index b17c7a724482b..a0f3d3501beae 100644
--- a/airflow-core/src/airflow/models/xcom.py
+++ b/airflow-core/src/airflow/models/xcom.py
@@ -109,7 +109,7 @@ class XComModel(TaskInstanceDependencies):
     task = relationship(
         "TaskInstance",
         viewonly=True,
-        lazy="selectin",
+        lazy="noload",
     )
 
     @classmethod
diff --git a/airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_xcom.py b/airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_xcom.py
index cd4f497005a84..13eeea5a17f4b 100644
--- a/airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_xcom.py
+++ b/airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_xcom.py
@@ -35,6 +35,7 @@
 from airflow.utils.session import provide_session
 from airflow.utils.types import DagRunType
 
+from tests_common.test_utils.asserts import assert_queries_count
 from tests_common.test_utils.config import conf_vars
 from tests_common.test_utils.dag import sync_dag_to_db
 from tests_common.test_utils.db import clear_db_dag_bundles, clear_db_dags, clear_db_runs, clear_db_xcom
@@ -218,9 +219,10 @@ def setup(self, dag_maker) -> None:
 
     def test_should_respond_200(self, test_client):
         self._create_xcom_entries(TEST_DAG_ID, run_id, logical_date_parsed, TEST_TASK_ID)
-        response = test_client.get(
-            f"/dags/{TEST_DAG_ID}/dagRuns/{run_id}/taskInstances/{TEST_TASK_ID}/xcomEntries"
-        )
+        with assert_queries_count(4):
+            response = test_client.get(
+                f"/dags/{TEST_DAG_ID}/dagRuns/{run_id}/taskInstances/{TEST_TASK_ID}/xcomEntries"
+            )
         assert response.status_code == 200
         response_data = response.json()
         for xcom_entry in response_data["xcom_entries"]:
@@ -259,7 +261,8 @@ def test_should_respond_200_with_tilde(self, test_client):
         self._create_xcom_entries(TEST_DAG_ID, run_id, logical_date_parsed, TEST_TASK_ID)
         self._create_xcom_entries(TEST_DAG_ID_2, run_id, logical_date_parsed, TEST_TASK_ID_2)
 
-        response = test_client.get("/dags/~/dagRuns/~/taskInstances/~/xcomEntries")
+        with assert_queries_count(4):
+            response = test_client.get("/dags/~/dagRuns/~/taskInstances/~/xcomEntries")
         assert response.status_code == 200
         response_data = response.json()
         for xcom_entry in response_data["xcom_entries"]:
@@ -320,10 +323,11 @@ def test_should_respond_200_with_tilde(self, test_client):
     def test_should_respond_200_with_map_index(self, map_index, test_client):
         self._create_xcom_entries(TEST_DAG_ID, run_id, logical_date_parsed, TEST_TASK_ID, mapped_ti=True)
 
-        response = test_client.get(
-            "/dags/~/dagRuns/~/taskInstances/~/xcomEntries",
-            params={"map_index": map_index} if map_index is not None else None,
-        )
+        with assert_queries_count(4):
+            response = test_client.get(
+                "/dags/~/dagRuns/~/taskInstances/~/xcomEntries",
+                params={"map_index": map_index} if map_index is not None else None,
+            )
         assert response.status_code == 200
         response_data = response.json()
 
@@ -398,10 +402,11 @@ def test_should_respond_200_with_map_index(self, map_index, test_client):
     )
     def test_should_respond_200_with_xcom_key(self, key, expected_entries, test_client):
         self._create_xcom_entries(TEST_DAG_ID, run_id, logical_date_parsed, TEST_TASK_ID, mapped_ti=True)
-        response = test_client.get(
-            "/dags/~/dagRuns/~/taskInstances/~/xcomEntries",
-            params={"xcom_key_pattern": key} if key is not None else None,
-        )
+        with assert_queries_count(4):
+            response = test_client.get(
+                "/dags/~/dagRuns/~/taskInstances/~/xcomEntries",
+                params={"xcom_key_pattern": key} if key is not None else None,
+            )
 
         assert response.status_code == 200
         response_data = response.json()