Hotfix for file download vulnerability #1851
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A malicious user can overwrite another user's files if they supply a filename that escapes the download directory (e.g. ../../../profile.sh). Prevent this by using UUIDs for filenames for now and revisit this in the future.
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A malicious user can overwrite another user's files if they supply a filename that escapes the download directory (e.g. ../../../profile.sh). Prevent this by using UUIDs for filenames for now and revisit this in the future.
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