Fixes #13843: Fix scope assignment for VLAN groups during bulk edit

netbox/ipam/forms/bulk_edit.py

@@ -431,6 +431,10 @@ class VLANGroupBulkEditForm(NetBoxModelBulkEditForm):
         queryset=ContentType.objects.filter(model__in=VLANGROUP_SCOPE_TYPES),
         required=False
     )
+    scope_id = forms.IntegerField(
+        required=False,
+        widget=forms.HiddenInput()
+    )
     region = DynamicModelChoiceField(
         label=_('Region'),
         queryset=Region.objects.all(),
@@ -488,6 +492,19 @@ class VLANGroupBulkEditForm(NetBoxModelBulkEditForm):
     )
     nullable_fields = ('description',)
 
+    def clean(self):
+        super().clean()
+
+        # Assign scope based on scope_type
+        if self.cleaned_data.get('scope_type'):
+            scope_field = self.cleaned_data['scope_type'].model
+            if scope_obj := self.cleaned_data.get(scope_field):
+                self.cleaned_data['scope_id'] = scope_obj.pk
+                self.changed_data.append('scope_id')
+            else:
+                self.cleaned_data.pop('scope_type')
+                self.changed_data.remove('scope_type')
+
 
 class VLANBulkEditForm(NetBoxModelBulkEditForm):
     region = DynamicModelChoiceField(

netbox/netbox/views/generic/bulk_views.py

@@ -3,6 +3,7 @@
 from copy import deepcopy
 
 from django.contrib import messages
+from django.contrib.contenttypes.fields import GenericRel
 from django.contrib.contenttypes.models import ContentType
 from django.core.exceptions import FieldDoesNotExist, ObjectDoesNotExist, ValidationError
 from django.db import transaction, IntegrityError
@@ -519,9 +520,11 @@ def _update_objects(self, form, request):
                 model_field = self.queryset.model._meta.get_field(name)
                 if isinstance(model_field, (ManyToManyField, ManyToManyRel)):
                     m2m_fields[name] = model_field
+                elif isinstance(model_field, GenericRel):
+                    # Ignore generic relations (these may be used for other purposes in the form)
+                    continue
                 else:
                     model_fields[name] = model_field
-
             except FieldDoesNotExist:
                 # This form field is used to modify a field rather than set its value directly
                 model_fields[name] = None