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Python Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2026-3087) - Vulnerability Database

Python Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') Vulnerability (CVE-2026-3087)

Description

If `shutil.unpack_archive()` is given a ZIP archive with an absolute Windows path containing a drive (`C:\\...`) then the archive will be extracted outside the target directory which is different than other operating systems. Only Windows is affected by this vulnerability.

References

CVE-2026-3087

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Severity

High

Classification

CVE-2026-3087
CWE-22
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Tags

Missing Update
Known Vulnerabilities