CVE-2026-40030

HIGH

parseusbs < 1.9 Command Injection via Volume Path Argument

Title source: cna
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Product product
Pull Request
https://github.com/khyrenz/parseusbs/pull/10
Vendor Advisory vendor-advisory
Mobasi Sentinel Vulnerability Index
https://mobasi.ai/sentinel
Third Party Advisory third-party-advisory
VulnCheck Advisory: parseusbs < 1.9 Command Injection via Volume Path Argument
https://www.vulncheck.com/advisories/parseusbs-command-injection-via-volume-path-argument

Scores

CVSS v3 7.8
EPSS 0.0075
EPSS Percentile 50.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (5)
khyrenz/parseusbs < 1.9 (2 CPE variants)
khyrenz/parseusbs < 1.9.0
khyrenz/parseusbs 1.9
khyrenz/parseusbs 1.9.0
khyrenz/parseusbs 99f05996494e7e41ea0c7e13145ba20eb793e46b
Published Apr 08, 2026
Tracked Since Apr 09, 2026