[ CVE-2026-106057 · Published 7 Oct 2026 ]

Vulnerability in wummel patool

CVSS 7.8 EPSS <1%No fix listed yet

[ Description ]Official description

patool before 4.0.6 contains an OS command injection vulnerability on Windows because shell_quote_nt 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.