PT-2026-45949 · Djangoproject · Django

Ahmed Badawe + 2 · Published 2026-06-03 · Updated 2026-06-03 · CVE-2026-8404

NVD

CVSS v3.1

3.1

Low

Base vector

AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. django.middleware.cache.UpdateCacheMiddleware in Django does not match Cache-Control response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their Cache-Control directives used uppercase or mixed-case values. 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 Ahmed Badawe for reporting this issue.

Fix

Weakness Enumeration

CWE-178

Related Identifiers

CVE-2026-8404

Affected Products

Django

References · 4

• https://docs.djangoproject.com/en/dev/releases/security · Vendor Advisory
• https://djangoproject.com/weblog/2026/jun/03/security-releases · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-8404 · Security Note
• https://groups.google.com/g/django-announce · Note