diff --git a/airflow-core/src/airflow/api_fastapi/core_api/routes/public/import_error.py b/airflow-core/src/airflow/api_fastapi/core_api/routes/public/import_error.py
index 4f223993bf4ea..a989a7eef168c 100644
--- a/airflow-core/src/airflow/api_fastapi/core_api/routes/public/import_error.py
+++ b/airflow-core/src/airflow/api_fastapi/core_api/routes/public/import_error.py
@@ -165,7 +165,7 @@ def get_import_errors(
             visible_files_cte,
             and_(
                 ParseImportError.filename == visible_files_cte.c.relative_fileloc,
-                # ParseImportError.bundle_name == visible_files_cte.c.bundle_name,  # apparently not needed
+                ParseImportError.bundle_name == visible_files_cte.c.bundle_name,
             ),
         )
         .order_by(ParseImportError.id)
diff --git a/airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_import_error.py b/airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_import_error.py
index 7654b0e62b987..da684c523ce6d 100644
--- a/airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_import_error.py
+++ b/airflow-core/tests/unit/api_fastapi/core_api/routes/public/test_import_error.py
@@ -23,10 +23,11 @@
 import pytest
 
 from airflow.models import DagModel
+from airflow.models.dagbundle import DagBundleModel
 from airflow.models.errors import ParseImportError
 from airflow.utils.session import NEW_SESSION, provide_session
 
-from tests_common.test_utils.db import clear_db_dags, clear_db_import_errors
+from tests_common.test_utils.db import clear_db_dag_bundles, clear_db_dags, clear_db_import_errors
 from tests_common.test_utils.format_datetime import from_datetime_to_zulu_without_ms
 
 if TYPE_CHECKING:
@@ -51,7 +52,18 @@
 @pytest.fixture(scope="class")
 @provide_session
 def permitted_dag_model(session: Session = NEW_SESSION) -> DagModel:
-    dag_model = DagModel(fileloc=FILENAME1, relative_fileloc=FILENAME1, dag_id="dag_id1", is_paused=False)
+    # Create the bundle first
+    bundle = DagBundleModel(name=BUNDLE_NAME)
+    session.add(bundle)
+    session.commit()
+
+    dag_model = DagModel(
+        fileloc=FILENAME1,
+        relative_fileloc=FILENAME1,
+        dag_id="dag_id1",
+        is_paused=False,
+        bundle_name=BUNDLE_NAME,
+    )
     session.add(dag_model)
     session.commit()
     return dag_model
@@ -70,11 +82,13 @@ def not_permitted_dag_model(session: Session = NEW_SESSION) -> DagModel:
 def clear_db():
     clear_db_import_errors()
     clear_db_dags()
+    clear_db_dag_bundles()
 
     yield
 
     clear_db_import_errors()
     clear_db_dags()
+    clear_db_dag_bundles()
 
 
 @pytest.fixture(autouse=True, scope="class")
@@ -374,3 +388,40 @@ def test_user_can_not_read_all_dags_in_file(
                 }
             ],
         }
+
+    @pytest.mark.usefixtures("permitted_dag_model")
+    @mock.patch("airflow.api_fastapi.core_api.routes.public.import_error.get_auth_manager")
+    def test_bundle_name_join_condition_for_import_errors(
+        self, mock_get_auth_manager, test_client, permitted_dag_model, import_errors, session
+    ):
+        """Test that the bundle_name join condition works correctly."""
+        set_mock_auth_manager__is_authorized_dag(mock_get_auth_manager)
+        mock_get_authorized_dag_ids = set_mock_auth_manager__get_authorized_dag_ids(
+            mock_get_auth_manager, {permitted_dag_model.dag_id}
+        )
+        set_mock_auth_manager__batch_is_authorized_dag(mock_get_auth_manager, True)
+
+        response = test_client.get("/importErrors")
+
+        # Assert
+        mock_get_authorized_dag_ids.assert_called_once_with(method="GET", user=mock.ANY)
+        assert response.status_code == 200
+        response_json = response.json()
+
+        # Should return the import error with matching bundle_name and filename
+        assert response_json["total_entries"] == 1
+        assert response_json["import_errors"][0]["bundle_name"] == BUNDLE_NAME
+        assert response_json["import_errors"][0]["filename"] == FILENAME1
+
+        # Now test that removing the bundle_name from the DagModel causes the import error to not be returned
+        permitted_dag_model.bundle_name = None
+        session.merge(permitted_dag_model)
+        session.commit()
+
+        response2 = test_client.get("/importErrors")
+
+        # Assert - should return 0 entries because bundle_name no longer matches
+        assert response2.status_code == 200
+        response_json2 = response2.json()
+        assert response_json2["total_entries"] == 0
+        assert response_json2["import_errors"] == []