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3.1 Low

CVE-2026-35193 An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6

Description

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 add `Authorization` to the `Vary` response header for requests bearing that header without `Cache-Control: public`, which allows remote attackers to read private cached responses via unauthenticated requests to the same URL. 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 Shai Berger for reporting this issue.

Affected products and versions

Product Affected versions Fixed in
Django 6.0 6.0 → < 6.0.6 6.0.6
Django 5.2 5.2 → < 5.2.15 5.2.15

References

Timeline

  1. Published
  2. Last modified

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