Summary
It was discovered that Django did not vary cached response headers on
cookies when sessions were not modified while SESSION_SAVE_EVERY_REQUEST
was enabled. A remote attacker could possibly use this issue to steal a
user's session. (CVE-2026-35192)
Kyle Agronick and Jacob Walls discovered that Django incorrectly handled
ASGI requests with missing or understated Content-Length header values.
A remote attacker could possibly use this issue to cause Django to use
excessive resources, leading to a denial of service. (CVE-2026-5766)
Ahmad Sadeddin discovered that Django UpdateCacheMiddleware incorrectly
cached requests where the Vary header contained an asterisk. A remote
attacker could possibly use this issue to obtain sensitive information.
(CVE-2026-6907)
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 22.04 LTS 22.04:LTS | python-django | 2:3.2.12-2ubuntu1.27 |
| Ubuntu · 24.04 LTS 24.04:LTS | python-django | 3:4.2.11-1ubuntu1.16 |
| Ubuntu · 25.10 | python-django | 3:5.2.4-1ubuntu2.5 |
| Ubuntu · 26.04 LTS 26.04:LTS | python-django | 3:5.2.9-0ubuntu4.1 |