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Title: gh-146581: Fix vulnerability in shutil.unpack_archive() for ZIP files on Windows by serhiy-storchaka · Pull Request #146591 · python/cpython · GitHub

Open Graph Title: gh-146581: Fix vulnerability in shutil.unpack_archive() for ZIP files on Windows by serhiy-storchaka · Pull Request #146591 · python/cpython

X Title: gh-146581: Fix vulnerability in shutil.unpack_archive() for ZIP files on Windows by serhiy-storchaka · Pull Request #146591 · python/cpython

Description: Use ZipFile.extractall() to sanitize file names and extract files. Files with invalid names (e.g. absolute paths) are now skipped. Files containing ".." in the name are no longer skipped. Issue: gh-146581

Open Graph Description: Use ZipFile.extractall() to sanitize file names and extract files. Files with invalid names (e.g. absolute paths) are now skipped. Files containing ".." in the name are no longer skipped....

X Description: Use ZipFile.extractall() to sanitize file names and extract files. Files with invalid names (e.g. absolute paths) are now skipped. Files containing ".." in the name are no longer ...

Opengraph URL: https://github.com/python/cpython/pull/146591

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7c5ad11 Fix vulnerability in shutil.unpack_archive() in ZIP files serhiy-storchaka Feb 27, 2026 https://github.com/python/cpython/pull/146591/commits/7c5ad11510c5d31e8f18fd61bef21638c61ed314
8d0ade5 Preserve the current behavior whether it is possible. serhiy-storchaka Feb 27, 2026 https://github.com/python/cpython/pull/146591/commits/8d0ade51ba0ed9642701fb4831c8f429fc923452
7940084 Preserve the current behavior whether it is possible. serhiy-storchaka Feb 27, 2026 https://github.com/python/cpython/pull/146591/commits/79400843e5e0cfbd64d6b466bfdd9d1a6461dd1f
faddc67 Merge remote-tracking branch 'refs/remotes/origin/shutil-unpack_archi… serhiy-storchaka Mar 29, 2026 https://github.com/python/cpython/pull/146591/commits/faddc6721d63249b304f8a0ffe71d5722f8fb445
76797cc Merge branch 'main' into shutil-unpack_archive-extractall serhiy-storchaka Mar 29, 2026 https://github.com/python/cpython/pull/146591/commits/76797cc65c047e7b08221479d12a15550028f66b
12cf735 Add a NEWS entry. serhiy-storchaka Mar 29, 2026 https://github.com/python/cpython/pull/146591/commits/12cf7350f1192e3ffee32add81c666229bf0b92e
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