CVE-2026-40030 HIGH

CVE-2026-40030: parseusbs < 1.9 Command Injection via Volume Path Argument

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

CVSS base score

8.4/10
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:A/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 where the volume listing path argument (-v flag) is passed unsanitized into an os.popen() shell command with ls, allowing arbitrary command injection via crafted volume path arguments containing shell metacharacters. An attacker can provide a crafted volume path via the -v flag that injects arbitrary commands during volume content enumeration.

Key dates

02Disclosure timeline

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