diff --git a/treeherder/webapp/api/internal_issue.py b/treeherder/webapp/api/internal_issue.py
index 33cb63d6701..6ae65b95d29 100644
--- a/treeherder/webapp/api/internal_issue.py
+++ b/treeherder/webapp/api/internal_issue.py
@@ -1,4 +1,4 @@
-from rest_framework import generics
+from rest_framework import generics, permissions
 
 from treeherder.webapp.api.serializers import InternalIssueSerializer
 
@@ -12,3 +12,4 @@ class CreateInternalIssue(generics.CreateAPIView):
     """
 
     serializer_class = InternalIssueSerializer
+    permission_classes = [permissions.IsAuthenticated]