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I. Basic Information for CVE-2026-3087
Vulnerability Information
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Vulnerability Title
shutil.unpack_archive() doesn't check for Windows absolute paths in ZIPs
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Python Software FoundationCPython 0 -
II. Public POCs for CVE-2026-3087
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III. Intelligence Information for CVE-2026-3087
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IV. Related Vulnerabilities
Same product: CPython
Same vendor: Python Software Foundation
Same weakness: CWE-22
V. Comments for CVE-2026-3087

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