What’s Vulnerable › Vulnerabilities

CVE-2026-4277: Privilege abuse in GenericInlineModelAdmin

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-07 · updated 2026-10-26
• Weakness: CWE-862

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.

Affected products

• Django: from 4.2 before 4.2.30; from 5.2 before 5.2.13; from 6.0 before 6.0.4 — fixed in 4.2.30, 5.2.13, 6.0.4

How to fix

Upgrade to a fixed version: Django 4.2.30, 5.2.13, 6.0.4. Check the vendor advisory for mitigations.

References

• https://docs.djangoproject.com/en/dev/releases/security/
• https://groups.google.com/g/django-announce
• https://www.djangoproject.com/weblog/2026/apr/07/security-releases/

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