PT-2026-31467 · Khyrenz · Parseusbs

Published 2026-04-08 · Updated 2026-04-08 · CVE-2026-40030

Mitre

CVSS v3.1

7.8

High

Base vector

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

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.

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-40030

Affected Products

Parseusbs

References · 5

• https://github.com/khyrenz/parseusbs/commit/99f05996494e7e41ea0c7e13145ba20eb793e46b · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-40030 · Security Note
• https://mobasi.ai/sentinel · Vendor Advisory
• https://github.com/khyrenz/parseusbs/pull/10 · Note
• https://vulncheck.com/advisories/parseusbs-command-injection-via-volume-path-argument · Note