diff --git a/src/mqtt/qmqttconnection.cpp b/src/mqtt/qmqttconnection.cpp
index b7a3e77..41ccecc 100644
--- a/src/mqtt/qmqttconnection.cpp
+++ b/src/mqtt/qmqttconnection.cpp
@@ -1,5 +1,6 @@
 // Copyright (C) 2017 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+// Qt-Security score:critical reason:network-protocol
 
 #include "qmqttconnection_p.h"
 #include "qmqttconnectionproperties_p.h"
diff --git a/src/mqtt/qmqttcontrolpacket.cpp b/src/mqtt/qmqttcontrolpacket.cpp
index fd84a90..b4304d0 100644
--- a/src/mqtt/qmqttcontrolpacket.cpp
+++ b/src/mqtt/qmqttcontrolpacket.cpp
@@ -1,5 +1,6 @@
 // Copyright (C) 2017 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+// Qt-Security score:critical reason:network-protocol
 
 #include "qmqttcontrolpacket_p.h"