PT-2026-45938 · Django · Django

Jacob Walls + 2 · Published 2026-06-03 · Updated 2026-06-06 · CVE-2026-35193

Positive Technologies (AI Summary)

CVSS v3.1

3.1

Low

Base vector

AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

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.

Fix

Weakness Enumeration

CWE-524

Related Identifiers

BIT-DJANGO-2026-35193

CVE-2026-35193

PYSEC-2026-197

Affected Products

Django

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2026-35193 · Security Note
• https://docs.djangoproject.com/en/dev/releases/security · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2026-197 · Vendor Advisory
• https://djangoproject.com/weblog/2026/jun/03/security-releases · Vendor Advisory
• https://osv.dev/vulnerability/BIT-django-2026-35193 · Vendor Advisory
• https://twitter.com/oss_security/status/2063112611013480456 · Twitter Post
• https://groups.google.com/g/django-announce · Note
• https://t.me/CVEtracker/55717 · Telegram Post