CVE-2026-8404 Affecting python-django package, versions *


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.29% (20th percentile)

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  • Snyk IDSNYK-ECHOLATEST-PYTHONDJANGO-18533326
  • published5 Aug 2026
  • disclosed3 Jun 2026

Introduced: 3 Jun 2026

CVE-2026-8404  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest python-django.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-django package and not the python-django package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1