MajorCritical vulnerability
CVE-2026-106057 (CVSS 8.5)
NVD · officialPublished Oct 7, 2026Risk 37/100
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.
Technical details
CVSS
8.5
AV:LocalAC:LowPR:NoneUI:Passive
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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