CVE-2026-3087
shutil.unpack_archive() doesn't check for Windows absolute paths in ZIPs
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.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Productos afectados
Python Software Foundation · CPython¿Quieres saber si tu infraestructura está expuesta a esto?
Hablar con TrueHacking →Referencias
https://github.com/python/cpython/commit/65b255416ae217bf0e22085be3c1976cea18bd8chttps://github.com/python/cpython/commit/8e13025747e1ca72e86d1f35637123f9c306f0cbhttps://github.com/python/cpython/commit/8ee6aff14054b37b53e47194a2fa313e98163c94https://github.com/python/cpython/commit/ab5ef98af693bded74a738570e81ea70abef2840https://github.com/python/cpython/commit/b01e594fbe754a960212f908d047294e880b52fdhttps://github.com/python/cpython/commit/ba0aca3bffce431fe2fbd53ca4cd6a717a2e2c19https://github.com/python/cpython/commit/fc829e88753858c8ac669594bf0093f44948c0f4https://github.com/python/cpython/issues/146581https://github.com/python/cpython/pull/146591https://mail.python.org/archives/list/security-announce@python.org/thread/X6FXE5C6KDKOVNX3EC3DWD5RUPFWOZA4/http://www.openwall.com/lists/oss-security/2026/04/28/9