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pypi/patoolpatool before 4.0.6 OS Command Injection on Windows via shell_quote_nt

Risk 72
Severity
8.5
OS Command Injection, Command Injection
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

patool before 4.0.6 contains an OS command injection vulnerability on Windows because shellquotent fails to escape cmd.exe metacharacters or embedded double quotes in archive filenames. Attackers can supply crafted filenames like report&calc.gz for single-file formats run with shell=True to execute commands with patool process privileges.

First published (updated )
CVE-2026-106057

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