CVE-2026-4277

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductDjango
PublishedApr 7, 2026
First seenApr 7, 2026

How to fix

Update
  • djangoproject django4.2.30, 5.2.13, 6.0.4 or later
  • django6.0.4, 5.2.13, 4.2.30 or later

Affected products

ProductAffected versionsFixed in
djangoproject django4.2 ≤ v < 4.2.30, 5.2 ≤ v < 5.2.13, 6.0 ≤ v < 6.0.44.2.30, 5.2.13, 6.0.4
djangoPyPI6.0 ≤ v < 6.0.4, 5.2 ≤ v < 5.2.13, 4.2 ≤ v < 4.2.306.0.4, 5.2.13, 4.2.30

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