CVE-2026-106057

HIGHCVSS 7.8

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.

Timeline

Published:October 7th, 2026 12:17 PM

Last modified:October 7th, 2026 4:02 PM

CVSS Scoring

CVSS v3: 7.8 (HIGH)

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-78

References & Reports

Advisories, patches, and third-party reports

https://github.com/wummel/patool
https://github.com/wummel/patool/blob/4.0.5/patoolib/util.py#L110-L116
https://github.com/wummel/patool/commit/592f35761f428afbcde2888ecd3cc4af43881aeb
https://www.vulncheck.com/advisories/patool-before-4.0.6-os-command-injection-on-windows-via-shell-quote-nt

Source: NIST NVD · Data may lag official sources by up to one minute