diff --git a/airflow/api_fastapi/core_api/openapi/v1-generated.yaml b/airflow/api_fastapi/core_api/openapi/v1-generated.yaml
index 1c73f2af0d104..ea50f2d864ccf 100644
--- a/airflow/api_fastapi/core_api/openapi/v1-generated.yaml
+++ b/airflow/api_fastapi/core_api/openapi/v1-generated.yaml
@@ -3790,12 +3790,16 @@ paths:
       summary: Get Extra Links
       description: Get extra links for task instance.
       operationId: get_extra_links
+      security:
+      - OAuth2PasswordBearer: []
       parameters:
       - name: dag_id
         in: path
         required: true
         schema:
-          type: string
+          anyOf:
+          - type: string
+          - type: 'null'
           title: Dag Id
       - name: dag_run_id
         in: path
diff --git a/airflow/api_fastapi/core_api/routes/public/extra_links.py b/airflow/api_fastapi/core_api/routes/public/extra_links.py
index f612502c46d63..a52bcef26fe52 100644
--- a/airflow/api_fastapi/core_api/routes/public/extra_links.py
+++ b/airflow/api_fastapi/core_api/routes/public/extra_links.py
@@ -19,13 +19,14 @@
 
 from typing import TYPE_CHECKING
 
-from fastapi import HTTPException, Request, status
+from fastapi import Depends, HTTPException, Request, status
 from sqlalchemy.sql import select
 
 from airflow.api_fastapi.common.db.common import SessionDep
 from airflow.api_fastapi.common.router import AirflowRouter
 from airflow.api_fastapi.core_api.datamodels.extra_links import ExtraLinksResponse
 from airflow.api_fastapi.core_api.openapi.exceptions import create_openapi_http_exception_doc
+from airflow.api_fastapi.core_api.security import DagAccessEntity, requires_access_dag
 from airflow.exceptions import TaskNotFound
 
 if TYPE_CHECKING:
@@ -40,6 +41,7 @@
 @extra_links_router.get(
     "",
     responses=create_openapi_http_exception_doc([status.HTTP_404_NOT_FOUND]),
+    dependencies=[Depends(requires_access_dag("GET", DagAccessEntity.TASK_INSTANCE))],
     tags=["Task Instance"],
 )
 def get_extra_links(
diff --git a/airflow/ui/openapi-gen/requests/types.gen.ts b/airflow/ui/openapi-gen/requests/types.gen.ts
index f3578ab98a9c8..a102621915b6f 100644
--- a/airflow/ui/openapi-gen/requests/types.gen.ts
+++ b/airflow/ui/openapi-gen/requests/types.gen.ts
@@ -2100,7 +2100,7 @@ export type GetEventLogsData = {
 export type GetEventLogsResponse = EventLogCollectionResponse;
 
 export type GetExtraLinksData = {
-  dagId: string;
+  dagId: string | null;
   dagRunId: string;
   mapIndex?: number;
   taskId: string;
diff --git a/tests/api_fastapi/core_api/routes/public/test_extra_links.py b/tests/api_fastapi/core_api/routes/public/test_extra_links.py
index 0907a2877565a..547673e4d2926 100644
--- a/tests/api_fastapi/core_api/routes/public/test_extra_links.py
+++ b/tests/api_fastapi/core_api/routes/public/test_extra_links.py
@@ -259,6 +259,20 @@ def test_should_respond_200_mapped_task_instance(self, test_client):
             "Google Custom": "http://google.com/custom_base_link?search=TEST_LINK_VALUE_1"
         }
 
+    def test_should_respond_401_unauthenticated(self, unauthenticated_test_client):
+        response = unauthenticated_test_client.get(
+            f"/public/dags/{self.dag_id}/dagRuns/{self.dag_run_id}/taskInstances/{self.task_single_link}/links",
+        )
+
+        assert response.status_code == 401
+
+    def test_should_respond_403_unauthorized(self, unauthorized_test_client):
+        response = unauthorized_test_client.get(
+            f"/public/dags/{self.dag_id}/dagRuns/{self.dag_run_id}/taskInstances/{self.task_single_link}/links",
+        )
+
+        assert response.status_code == 403
+
     def test_should_respond_404_invalid_map_index(self, test_client):
         response = test_client.get(
             f"/public/dags/{self.dag_id}/dagRuns/{self.dag_run_id}/taskInstances/{self.task_mapped}/links",