CVE-2026-40029 HIGH

CVE-2026-40029: parseusbs < 1.9 Command Injection via Crafted LNK Filename

Vendor Khyrenz
Product parseusbs
Weakness CWE-78
Published April 8, 2026
Last update May 8, 2026

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

parseusbs before 1.9 contains an OS command injection vulnerability in parseUSBs.py where LNK file paths are passed unsanitized into an os.popen() shell command, allowing arbitrary command execution via crafted .lnk filenames containing shell metacharacters. An attacker can craft a .lnk filename with embedded shell metacharacters that execute arbitrary commands on the forensic examiner's machine during USB artifact parsing.

Key dates

02Disclosure timeline

April 8, 2026 CVE published
May 8, 2026 Record updated