Fixes #5433: Exclude SVG files from front/rear image upload for device types (currently unsupported)

docs/release-notes/version-2.9.md

@@ -14,6 +14,7 @@
 * [#5407](https://github.com/netbox-community/netbox/issues/5407) - Add direct link to secret on secrets list
 * [#5408](https://github.com/netbox-community/netbox/issues/5408) - Fix updating secrets without setting new plaintext
 * [#5410](https://github.com/netbox-community/netbox/issues/5410) - Restore tags field on cable connection forms
+* [#5433](https://github.com/netbox-community/netbox/issues/5433) - Exclude SVG files from front/rear image upload for device types (currently unsupported)
 * [#5436](https://github.com/netbox-community/netbox/issues/5436) - Show assigned IP addresses in interfaces list
 
 ---

netbox/dcim/forms.py

@@ -922,7 +922,14 @@ class DeviceTypeForm(BootstrapMixin, CustomFieldModelForm):
             'front_image', 'rear_image', 'comments', 'tags',
         ]
         widgets = {
-            'subdevice_role': StaticSelect2()
+            'subdevice_role': StaticSelect2(),
+            # Exclude SVG images (unsupported by PIL)
+            'front_image': forms.FileInput(attrs={
+                'accept': 'image/bmp,image/gif,image/jpeg,image/png,image/tiff'
+            }),
+            'rear_image': forms.FileInput(attrs={
+                'accept': 'image/bmp,image/gif,image/jpeg,image/png,image/tiff'
+            })
         }