CVE-2026-106057 patool - Command Injection

patool before 4.0.6 contains a command injection caused by shell_quote_nt failing to escape cmd.exe metacharacters or embedded double quotes in archive filenames on Windows, letting attackers execute arbitrary commands with patool process privileges, exploit requires crafted archive filenames.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.76% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
7 October 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to version 4.0.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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