Improper Handling of Case Sensitivity in Django - CVE-2026-8404
Published: June 4, 2026
Vulnerability identifier: #VU133367
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-8404
CWE-ID: CWE-178
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Django Software Foundation
Affected software:
Django
Django
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to "django.middleware.cache.UpdateCacheMiddleware" does not match "Cache-Control" response directives case-insensitively. A remote attacker can gain access to sensitive information on the system.
How to mitigate CVE-2026-8404
Install updates from vendor's website.