CVE-2026-42196
criticalpriority · track · 0EPSS 0.006 · 47 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.9–9.9
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
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affected products (2)
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advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-67qg-7284-2277django-s3file is vulnerable to relative path traversal2026-05-05ghsa · osvUS
### 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.
- PYSEC-2026-328django-s3file is vulnerable to relative path traversal2026-06-29vendor · osvUS
### 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.
also known as (6)
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sources
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references (4)
External citations — patches, advisories, analysis.
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