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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.

PUBLISHED Reserved 2026-04-08 | Published 2026-04-08 | Updated 2026-04-09 | Assigner VulnCheck




HIGH: 8.4CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Problem types

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)

Product status

Default status
unaffected

Any version before 1.9
affected

1.9 (semver)
unaffected

99f05996494e7e41ea0c7e13145ba20eb793e46b (git)
unaffected

Credits

Mobasi Security Team finder

References

github.com/khyrenz/parseusbs/pull/10 (Pull Request) product

github.com/...ommit/99f05996494e7e41ea0c7e13145ba20eb793e46b (Patch Commit) patch

mobasi.ai/sentinel (Mobasi Sentinel Vulnerability Index) vendor-advisory

www.vulncheck.com/...mand-injection-via-volume-path-argument (VulnCheck Advisory: parseusbs < 1.9 Command Injection via Volume Path Argument) third-party-advisory

cve.org (CVE-2026-40030)

nvd.nist.gov (CVE-2026-40030)

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