CVE-2026-87975

A privilege abuse vulnerability exists in Django versions 6.1 before 6.1.2 , 6.0 before 6.0.9 , and 5.2 before 5.2.18 . The root cause lies in django.forms.models.BaseModelFormSet.save_existing_objects(), which incorrectly assumes that the presence of a primary key in submitted data confirms the ...

CVE-2026-87975 Privilege abuse in model formsets with editable primary keys

An issue was discovered in Django 6.1 before 6.1.2, 6.0 before 6.0.9, and 5.2 before 5.2.18. django.forms.models.BaseModelFormSet.saveexistingobjects used the presence of a primary key on a submitted form's instance as evidence that the instance belonged to the formset's limiting queryset. An...