diff --git a/pkgs/applications/networking/seafile-client/default.nix b/pkgs/applications/networking/seafile-client/default.nix
index 605503eeb074..67adda391cc1 100644
--- a/pkgs/applications/networking/seafile-client/default.nix
+++ b/pkgs/applications/networking/seafile-client/default.nix
@@ -9,7 +9,7 @@
   seafile-shared,
   jansson,
   libsearpc,
-  withShibboleth ? true,
+  withShibboleth ? false, # qtwebengine vulnerable, so disabled by default
   qtwebengine,
   wrapQtAppsHook,
 }: