Low severity3.1NVD Advisory· Published Jun 3, 2026· Updated Jul 21, 2026
CVE-2026-35193
CVE-2026-35193
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
djangoPyPI | >= 5.2.0, < 5.2.15 | 5.2.15 |
djangoPyPI | >= 6.0.0, < 6.0.6 | 6.0.6 |
Affected products
10- Range: <5.2.15, <6.0.6
- osv-coords7 versionspkg:bitnami/djangopkg:rpm/opensuse/python-Django&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/python-Django&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python-Django4&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python-Django5&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/python-Django6&distro=openSUSE%20Tumbleweedpkg:rpm/suse/python-Django&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Package%20Hub%2015%20SP7
>= 5.2.0, < 5.2.15+ 6 more
- (no CPE)range: >= 5.2.0, < 5.2.15
- (no CPE)range: < 5.2.4-bp160.9.1
- (no CPE)range: < 5.2.15-1.1
- (no CPE)range: < 4.2.30-3.1
- (no CPE)range: < 5.2.16-1.1
- (no CPE)range: < 6.0.6-1.1
- (no CPE)range: < 4.2.11-150600.3.59.1
Patches
Vulnerability mechanics
References
11- docs.djangoproject.com/en/dev/releases/security/nvdPatchVendor Advisory
- www.djangoproject.com/weblog/2026/jun/03/security-releases/nvdPatchVendor Advisory
- github.com/advisories/GHSA-qpc8-7fxc-cm4pghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-35193ghsaADVISORY
- docs.djangoproject.com/en/dev/releases/securityghsaWEB
- github.com/django/django/commit/050a3dc276f9142067260e990e4d8d42d5e32863ghsaWEB
- github.com/django/django/commit/664652f1a2dd80d8a4cd491b4313cad915ae6669ghsaWEB
- github.com/django/django/commit/a2faa8e895926ac5d63f72879b5ccf671b5b4ba9ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2026-197.yamlghsaWEB
- groups.google.com/g/django-announcenvdRelease NotesWEB
- www.djangoproject.com/weblog/2026/jun/03/security-releasesghsaWEB
News mentions
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