CVE-2026-45315: Fastapi Fileresponse Path Route Missing Protection Headers
FileResponse is returned from a `{...:path}`-parameterized route without a `headers=` argument forcing `Content-Disposition: attachment` and `X-Content-Type-Options: nosniff`. Starlette derives Content-Type from the on-disk file extension, so if any user-influenced file (e.g. a cached upload) has an HTML or SVG extension on disk, the browser will render it i
Pythongreprules fetch cve-2026-45315-fastapi-fileresponse-path-route-missing-protection-headers --engine opengrepDescription
FileResponse is returned from a `{...:path}`-parameterized route without a `headers=` argument forcing `Content-Disposition: attachment` and `X-Content-Type-Options: nosniff`. Starlette derives Content-Type from the on-disk file extension, so if any user-influenced file (e.g. a cached upload) has an HTML or SVG extension on disk, the browser will render it i
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