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Fencer Intel
high 7.5

CVE-2015-3982 json

Django allows user sessions hijacking via an empty string in the session key

published 11y ago modified 4mo ago also GHSA-6wgp-fwfm-mxp3 , PYSEC-2015-19 , EUVD-2015-0008

cvss
7.5
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

The session.flush function in the cached_db backend in Django 1.8.x before 1.8.2 does not properly flush the session, which allows remote attackers to hijack user sessions via an empty string in the session key.

Patch / fix

  • pypi django 1.8.2
  • python-Django5 openSUSE Tumbleweed 5.2.16-1.1
  • python-Django openSUSE Tumbleweed 5.2.16-1.1
  • python-Django4 openSUSE Tumbleweed 4.2.30-4.1
  • python-Django6 openSUSE Tumbleweed 6.0-1.1
  • python-Django4 openSUSE Tumbleweed 4.2.14-1.1
  • python-Django openSUSE Tumbleweed 1.9.12-1.1
  • python-Django openSUSE Tumbleweed 3.2.7-2.3
  • python-Django openSUSE Tumbleweed 4.2.11-2.1

opensuse advisories openSUSE-SU-2026:11270-1openSUSE-SU-2026:11248-1openSUSE-SU-2026:11235-1openSUSE-SU-2026:10005-1openSUSE-SU-2024:14208-1openSUSE-SU-2024:10066-1

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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-2015-3982 updated cvss 5.8

django: incorrect session flushing in the cached_db backend

  • Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) python-django Red Hat Enterprise Linux OpenStack Platform 6 (Juno) python-django Red Hat OpenStack Platform 4 Django14 Red Hat Subscription Asset Manager Django
    not affected: vulnerable code not present

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

Exploit prediction

1.75% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi django
>=1.8a1, <1.8.2
>=1.8, <1.8.2
1.8.2

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel 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.