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TI-2026-28873 Aliases CVE-2026-40030GHSA-pqxv-pjgq-x85w

parseusbs < 1.9 Command Injection via Volume Path Argument

Priority MEDIUM 40CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Active
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00763 55th percentileScored 2026-11-07
Fix Fixed parseusbs (khyrenz): 1.9.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
khyrenzparseusbsbefore 1.9.01.9.0Patch availableCNA
  • parseusbs Vendorkhyrenz Affected before 1.9.0 Fixed in 1.9.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:khyrenz:parseusbs:*:*:*:*:*:*:*:*before 1.9Vulnerablekhyrenz
  • cpe:2.3:a:khyrenz:parseusbs:*:*:*:*:*:*:*:* Versions before 1.9 Vulnerable ·khyrenz

Remediation

  • Fix · CNA parseusbs (khyrenz) Fixed in 1.9.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    khyrenz parseusbs — Mobasi Sentinel Vulnerability Index

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2026-28872 parseusbs < 1.9 Command Injection via Crafted LNK FilenamePriority MEDIUM 40
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-40030
  2. 2026-10-03 Alias added: GHSA-pqxv-pjgq-x85w

References

Patch 1

Advisory 1

Other 1

  • TI-2026-28872 parseusbs < 1.9 Command Injection via Crafted LNK Filename CVSS 4.0HIGH 8.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences