Description
An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. `MultiPartParser` allows remote attackers to degrade performance by submitting multipart uploads with `Content-Transfer-Encoding: base64` including excessive whitespace. 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 Seokchan Yoon for reporting this issue.
Affected products
djangoproject: django
References3
- docs.djangoproject.com/en/dev/releases/security/ PatchVendor Advisory
- www.djangoproject.com/weblog/2026/apr/07/security-releases/ PatchVendor Advisory
- groups.google.com/g/django-announce Release Notes
Metrics
- CVSS 3.1
-
6.5
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 61 · as of 12 November 2026
- CWE
- CWE-407
Could this be exploited in your environment?
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