diff --git a/CHANGES.rst b/CHANGES.rst
index 729402c2..2eed0655 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,7 +4,8 @@ Changelog
 6.3.15 (unreleased)
 -------------------
 
-- Nothing changed yet.
+- Avoid showing items inside cartella modulistica if omitted from navigation.
+  [daniele]
 
 
 6.3.14 (2025-10-31)
diff --git a/src/design/plone/contenttypes/restapi/services/modulistica_items/get.py b/src/design/plone/contenttypes/restapi/services/modulistica_items/get.py
index 48e3b040..dd43ce80 100644
--- a/src/design/plone/contenttypes/restapi/services/modulistica_items/get.py
+++ b/src/design/plone/contenttypes/restapi/services/modulistica_items/get.py
@@ -45,6 +45,9 @@ def get_modulistica_data(self, context=None):
             if brain.portal_type == "Document" and brain.getId == "multimedia":
                 continue
             child = brain.getObject()
+            if getattr(child, "exclude_from_nav", False):
+                continue
+
             serializer = queryMultiAdapter(
                 (child, self.request), ISerializeToJsonSummary
             )