CVE-2026-35193

Name of the Vulnerable Software and Affected Versions Django versions prior to 5.2.15 Django versions prior to 6.0.6

Description An issue exists in django.middleware.cache.UpdateCacheMiddleware where the Authorization header is not added to the Vary response header for requests that include that header but lack Cache-Control: public. This allows remote attackers to access private cached responses by making unauthenticated requests to the same URL.

Recommendations Update to version 5.2.15 or newer. Update to version 6.0.6 or newer.