Vulnerability 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.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Djangoproject | Django | >= 4.2, < 4.2.30 |
Related Weaknesses (CWE)
References
- https://docs.djangoproject.com/en/dev/releases/security/PatchVendor Advisory
- https://groups.google.com/g/django-announceRelease Notes
- https://www.djangoproject.com/weblog/2026/apr/07/security-releases/PatchVendor Advisory
FAQ
What is CVE-2026-4277?
CVE-2026-4277 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 `GenericInli...
How severe is CVE-2026-4277?
CVE-2026-4277 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-4277?
Check the references section above for vendor advisories and patch information. Affected products include: Djangoproject Django.