emitters.py in Django Piston before 0.2.3 and 0.2.x before 0.2.2.1 does not properly…
Priority LOW 37CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and GitHub.
Summary
emitters.py in Django Piston before 0.2.3 and 0.2.x before 0.2.2.1 does not properly deserialize YAML data, which allows remote attackers to execute arbitrary Python code via vectors related to the yaml.load method.
Why it matters now
EPSS 0.0243 84th percentileScored 2026-11-07
Fix Fixed django-piston (PyPI): 0.2.2.1
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | django-piston (PyPI) | 0.2.0 to before 0.2.2.1 | 0.2.2.1 | Patch available | GHSA-pvhp-v9qp-xf5r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- django-piston (PyPI) Vendor— Affected 0.2.0 to before 0.2.2.1 Fixed in 0.2.2.1 Patch available GHSA-pvhp-v9qp-xf5r
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:djangoproject:piston:*:*:*:*:*:*:*:* | up to 0.2.2.0 | Vulnerable | djangoproject |
- cpe:2.3:a:djangoproject:piston:*:*:*:*:*:*:*:* Versions up to 0.2.2.0 Vulnerable ·djangoproject
Remediation
- Fix · GHSA-pvhp-v9qp-xf5r django-piston (PyPI) Fixed in 0.2.2.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4103
- 2026-10-03 Alias added: GHSA-pvhp-v9qp-xf5r
References
Advisory 4
Other 6
- https://bugzilla.redhat.com/show_bug.cgi?id=750658
- [oss-security] 20111101 Re: CVE request for Django-piston and Tastypie
- https://bitbucket.org/jespern/django-piston
- https://bitbucket.org/jespern/django-piston/commits/91bdaec89543
- https://github.com/pypa/advisory-database/tree/main/vulns/django-piston/PYSEC-2014-24.yaml
- https://www.djangoproject.com/weblog/2011/nov/01/piston-and-tastypie-security-releases
Sources
- CVE-2011-4103 · CVE Program
- CVE-2011-4103 · NVD
- FIRST EPSS
- GHSA-pvhp-v9qp-xf5r · GitHub Advisory Database · CC BY 4.0
- CVE-2011-4103 · Red Hat security data · CC BY 4.0
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