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OpenAdvisories
Unscored USN-8232-1 0 CVEs

python-django vulnerabilities

Published May 5, 2026 · Updated May 20, 2026

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

ReleasePackageFixed 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

References

  • report
    https://ubuntu.com/security/CVE-2026-5766
  • report
    https://ubuntu.com/security/CVE-2026-6907
  • report
    https://ubuntu.com/security/CVE-2026-35192