diff --git a/pkgs/development/libraries/qt-5/modules/qtwebkit.nix b/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
index bebfbdda8d8b..76f3481386f3 100644
--- a/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
+++ b/pkgs/development/libraries/qt-5/modules/qtwebkit.nix
@@ -69,5 +69,8 @@ qtModule {
 
   meta = {
     maintainers = with lib.maintainers; [ abbradar periklis ];
+    knownVulnerabilities = [
+      "QtWebkit upstream is unmaintained and receives no security updates, see https://blogs.gnome.org/mcatanzaro/2022/11/04/stop-using-qtwebkit/"
+    ];
   };
 }