要点
- CVE-2026-42196 是影响 django-s3file 的严重 (CVSS 9.9)漏洞。
- 未来 30 天内被利用的概率（EPSS）：0.56%，高于 46.9% 的漏洞。
- 修复：升级到 7.0.2 或更高版本。
| Package | Affected versions | Patched versions |
|---|
| django-s3file PyPI | < 7.0.2
| 7.0.2
|
Description
Impact
S3FileMiddleware is vulnerable to relative path traversal attacks, where an attacker can use a modified request to escape pre-signed upload locations and have the Django application load files from random locations into request.FILES
Depending on how files are handled, this may lead to confidentiality and integrity issues.
Patches
Django-S3File urges all users to update to a patched version >=7.0.2.
NVD description
django-s3file is a lightweight file upload input for Django and Amazon S3. Prior to 7.0.2, S3FileMiddleware is vulnerable to relative path traversal attacks, where an attacker can use a modified request to escape pre-signed upload locations and have the Django application load files from random locations into request.FILES. Depending on how files are handled, this may lead to confidentiality and integrity issues. This vulnerability is fixed in 7.0.2.
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