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.

INFO

Published Date :

2026-04-27T20:46:43.201Z

Last Modified :

2026-04-29T15:29:37.860Z

Source :

PSF
AFFECTED PRODUCTS

The following products are affected by CVE-2026-3087 vulnerability.

Vendors Products
Python
  • Cpython
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3087.

URL Resource
http://www.openwall.com/lists/oss-security/2026/04/28/9 cve-icon
https://github.com/python/cpython/commit/ab5ef98af693bded74a738570e81ea70abef2840 cve-icon cve-icon
https://github.com/python/cpython/commit/b01e594fbe754a960212f908d047294e880b52fd cve-icon cve-icon
https://github.com/python/cpython/commit/fc829e88753858c8ac669594bf0093f44948c0f4 cve-icon cve-icon
https://github.com/python/cpython/issues/146581 cve-icon cve-icon
https://github.com/python/cpython/pull/146591 cve-icon cve-icon
https://mail.python.org/archives/list/[email protected]/thread/X6FXE5C6KDKOVNX3EC3DWD5RUPFWOZA4/ cve-icon cve-icon
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