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Reject unsafe members when extracting scrapbook archives - #88
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ranas-mukminov wants to merge 1 commit into
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Opening a scrapbook archive extracts every member without checking names, so a crafted archive could write outside the cache directory or plant a symlink, and the supported Python range starts at 3.8, where extractall does not sanitize names.
This checks every member for absolute paths, parent-directory components, and symlinks before extracting.
Tests: py_compile passes; no archive extraction was run.