CVE-2026-35200

CVE-2026-35200 · Parse Server has a file upload Content-Type override via extension mismatch

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Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.73 and 9.7.1-alpha.4, a file can be uploaded with a filename extension that passes the file extension allowlist (e.g., .txt) but with a Content-Type header that differs from the extension (e.g., text/html). The Content-Type is passed to the storage adapter without consistency validation. Storage adapters that store and serve the provided Content-Type (such as S3 or GCS) serve the file with the mismatched Content-Type. The default GridFS adapter is not affected because it derives Content-Type from the filename at serving time. This vulnerability is fixed in 8.6.73 and 9.7.1-alpha.4.

CVSS 2.1 · Niedrig · EPSS 0,2% · Korrektur verfügbar

Veröffentlicht

2026-04-06T19:47:27.709Z

Aktualisiert

2026-04-07T14:02:50.601Z

Technologie-Stack: node

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