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CVE-2026-108147— Potential memory exhaustion in MultiPartParser via base64-encoded file upload

Quick assessment

Affected
djangoproject Django
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Django 6.1（6.1.3 之前）、6.0.4（6.0.10 之前）以及 5.2.13（5.2.19 之前）版本中发现了一个问题：当处理带有 base64 的多部分（multipart）文件上传时， 会出现内存消耗过高的情况。该组件可能会在将数据传递给上传处理器之前，将整个内容缓冲到内存中。 此前，未受支持的 Django 系列版本（如 5.1.x、5.0.x 和 4.2.x）未经评估，也可能受到此问题的影响。 Django 项目感谢 Ignacy Kujawa 报告此问题。

CVSS 5.3 · Medium
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I. Basic Information for CVE-2026-108147

Vulnerability Information
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Vulnerability Title
Potential memory exhaustion in MultiPartParser via base64-encoded file upload
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Django 6.1 before 6.1.3, 6.0.4 before 6.0.10, and 5.2.13 before 5.2.19. `django.http.multipartparser.MultiPartParser` is subject to excessive memory consumption when processing multipart file uploads with base64 `Content-Transfer-Encoding`, which could be buffered entirely in memory before being passed to upload handlers. Earlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected. Django would like to thank Ignacy Kujawa for reporting this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
djangoproject Django 6.1 ~ 6.1.3 -

II. Public POCs for CVE-2026-108147

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III. Intelligence Information for CVE-2026-108147

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Vendor Advisories for CVE-2026-108147 (1)

Mailing List Discussions for CVE-2026-108147 (1)

Other References for CVE-2026-108147 (5)

Same Patch Batch · djangoproject · 2026-11-03 · 6 CVEs total

CVE-2026-114582 5.3 MEDIUM Server-side request forgery via SpatialReference string input
CVE-2026-111211 5.3 MEDIUM Potential log injection via unescaped geometry form values
CVE-2026-111362 5.3 MEDIUM Server-side request forgery via crs member of GeoJSON geometries
CVE-2026-113593 3.1 LOW Potential exposure of private data via empty and missing Vary headers
CVE-2026-113733 2.2 LOW Password hash disclosure to "view only" admin users with custom user models

IV. Related Vulnerabilities

Same product: Django
Same vendor: djangoproject
Same weakness: CWE-770