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 s
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | django | >= 1.8, < 1.8.2 | 1.8.2 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2015-3982
- https://github.com/django/django/commit/31cb25adecba930bdeee4556709f5a1c42d88fd6
- https://github.com/django/django
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2015-19.yaml
- https://web.archive.org/web/20200228092138/http://www.securityfocus.com/bid/74960
- https://www.djangoproject.com/weblog/2015/may/20/security-release
- https://www.djangoproject.com/weblog/2015/may/20/security-release/
- http://www.securityfocus.com/bid/74960
- https://github.com/advisories/GHSA-6wgp-fwfm-mxp3
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Weakness (CWE)
CWE-384- Platform
- Python (PyPI)
- Package
django- Disclosed
- 02.06.2015
- Updated
- 11.10.2026 12:19
Sources and licenses
OSV / GitHub Advisory Database - GHSA-6wgp-fwfm-mxp3 - CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2015-19 - PyPA Advisory Database; CC BY 4.0
Vulnerability history: django
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 162
- First → latest
- 10.2007 08.2026
- Without a fix
- 1
- Exploited in attacks
- 0
Severity breakdown
- Critical 16
- High 65
- Medium 63
- Low 18
Disclosures per year
- 2017: 3
- 2018: 5
- 2019: 11
- 2020: 6
- 2021: 8
- 2022: 14
- 2023: 7
- 2024: 14
- 2025: 12
- 2026: 26
earlier: 56
-
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 s this entry
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