CVE-2026-87975: Django 6.1 to before 6.1.2, 6.0 to before 6.0.9, 5.2 to before 5.2.18

Affected technology

Django · 6.1 to before 6.1.2, 6.0 to before 6.0.9, 5.2 to before 5.2.18
djangoproject

Description’s affected range: before 6.1.2, 6.0 before 6.0.9, and 5.2 before 5.2.18. `django.forms.models.BaseModelFormSet.save_existing_objects()` used the presence of a primary key on a submitted f

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality and availability impact as none; integrity impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.