Improper Handling of Case Sensitivity Affecting django package, versions [,5.2.15)[6.0a1,6.0.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-DJANGO-17151726
- published4 Jun 2026
- disclosed3 Jun 2026
- creditAhmed Badawe
Introduced: 3 Jun 2026
CVE-2026-8404 (opens in a new tab)How to fix?
Upgrade django to version 5.2.15, 6.0.6 or higher.
Overview
Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity due to improper handling of Cache-Control directives in UpdateCacheMiddleware. An attacker can gain unauthorized access to sensitive response data by sending requests with uppercase or mixed-case Cache-Control values, causing private data to be cached and subsequently served to other users.