CVE-2026-4277 Privilege abuse in GenericInlineModelAdmin
Attackers can bypass permission checks to add unauthorized inline model instances via forged POST requests in Django's GenericInlineModelAdmin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-4277?
CVE-2026-4277 is a critical missing authorization vulnerability in Djangoproject Django, published on 7 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. Add permissions on inline model instances were not validated on submission of forged `POST` data in `GenericInlineModelAdmin`. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank N05ec@LZU-DSLab for reporting this issue.
Weakness: CWE-862
Which versions are affected by CVE-2026-4277?
8 open source packages ship an affected version, including django and Django. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
django Bitnami | From 4.2.0 | 4.2.30, 5.2.13, 6.0.4 |
django PyPI | From 4.2 | 4.2.30, 5.2.13, 6.0.4 |
django PyPI | From 4.2 | 4.2.30 |
django PyPI | From 5.2 | 5.2.13 |
django PyPI | From 6.0 | 6.0.4 |
Django PyPI | From 4.2 | 4.2.30 |
2 more packages
Django PyPI | From 5.2 | 5.2.13 |
Django PyPI | From 6.0 | 6.0.4 |
Products include Djangoproject Django.
How do I fix CVE-2026-4277?
Upgrade django to a fixed version for your release line: 4.2.30, 5.2.13 or 6.0.4.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-4277 being exploited?
There is no known exploitation of CVE-2026-4277 in the wild and no public exploit code.
Other vulnerabilities in Djangoproject Django
- CVE-2024-53908 Django SQL injection in HasKey(lhs, rhs) on Oracle
- CVE-2024-42005 Django SQL injection vulnerability
- CVE-2023-31047 Django bypasses validation when using one form field to upload multiple files
- CVE-2022-34265 Django `Trunc()` and `Extract()` database functions vulnerable to SQL Injection
- CVE-2021-35042 SQL Injection in Django
Sources
Also known as BIT-django-2026-4277, DEBIAN-CVE-2026-4277, ECHO-400a-1b13-ae60, GHSA-pwjp-ccjc-ghwg, MINI-8rhj-qhpr-rxw7, MINI-rccg-hj25-rhxf and 2 more.