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Fencer Vulns
medium 6.5

CVE-2026-35192 json

Session fixation via public cached pages and SESSION_SAVE_EVERY_REQUEST

published 2026-05-05 6 mo ago modified 2026-10-26 13 d ago also BIT-django-2026-35192 , EUVD-2026-27347 , GHSA-7h2m-m8vj-598h , PYSEC-2026-50

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 45%
public exploits
0
none known

Summary

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. Response headers do not vary on cookies if a session is not modified, but `SESSION_SAVE_EVERY_REQUEST` is `True`. A remote attacker can steal a user's session after that user visits a cached public page. 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 Cantina for reporting this issue.

Patch / fix

  • pypi django 5.2.14, 6.0.5
  • bitnami django 5.2.14, 6.0.5
  • djangoproject Django 5.2.14, 6.0.5
  • python-django Debian 14 3:5.2.14-1

debian advisories DEBIAN-CVE-2026-35192

  • python-django Ubuntu 22.04 LTS 2:3.2.12-2ubuntu1.27
  • python-django Ubuntu 24.04 LTS 3:4.2.11-1ubuntu1.16
  • python-django Ubuntu 25.10 3:5.2.4-1ubuntu2.5
  • python-django Ubuntu 26.04 LTS 3:5.2.9-0ubuntu4.1

ubuntu advisories UBUNTU-CVE-2026-35192

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • python-Django5 openSUSE Tumbleweed 5.2.16-1.1
  • python-Django openSUSE Tumbleweed 5.2.14-1.1
  • python-Django4 openSUSE Tumbleweed 4.2.30-2.1
  • python-Django6 openSUSE Tumbleweed 6.0.5-1.1

opensuse advisories openSUSE-SU-2026:11270-1openSUSE-SU-2026:10718-1openSUSE-SU-2026:10708-1openSUSE-SU-2026:10709-1

  • py3-django Alpine 3.24 5.2.14-r0

alpine advisories ALPINE-CVE-2026-35192

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-35192 updated cvss 6.5

Django: Django: Session theft due to improper cookie handling with cached pages

  • Red Hat Ansible Automation Platform 2 python-django, automation-controller, ansible-automation-platform-26/hub-rhel9, ansible-automation-platform-27/hub-rhel9, ansible-automation-platform-26/gateway-rhel9, ansible-automation-platform-27/gateway-rhel9, +12 more Red Hat Discovery 2 discovery/discovery-server-rhel9 Red Hat OpenStack Platform 16.2 python-django20, python3-django20, python-django20-bash-completion Red Hat OpenStack Platform 17.1 python-django, python3-django Red Hat OpenStack Platform 18.0 python-django Red Hat Satellite 6 python-django, python2-django, python-django-bash-completion, satellite/iop-advisor-backend-rhel9
    +1 more products
    Red Hat Update Infrastructure 4 for Cloud Providers python-django
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
6 mo ago

Exploit prediction

0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 2.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CNA 4.0 2.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
OSV 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
pypi django
>=6.0, <6.0.5
>=5.2, <5.2.14
6.0.5
5.2.14
bitnami django
>=5.2.0, <5.2.14
>=6.0.0, <6.0.5
5.2.14
6.0.5

Affected products

  • djangoproject Django

Classification

Weakness
  • CWE-539 Use of Persistent Cookies Containing Sensitive Information
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.