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TI-2026-28872 Aliases CVE-2026-40029GHSA-2m8h-6748-cf32

parseusbs < 1.9 Command Injection via Crafted LNK Filename

Priority MEDIUM 40CWE-78Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Passive
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 in parseUSBs.py where LNK file paths are passed unsanitized into an os.popen() shell command, allowing arbitrary command execution via crafted .lnk filenames containing shell metacharacters. An attacker can craft a .lnk filename with embedded shell metacharacters that execute arbitrary commands on the forensic examiner's machine during USB artifact parsing.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00819 57th 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-2026-28873 parseusbs < 1.9 Command Injection via Volume Path ArgumentPriority MEDIUM 40
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-40029
  2. 2026-10-03 Alias added: GHSA-2m8h-6748-cf32

References

Patch 1

Advisory 1

Other 1

  • TI-2026-28873 parseusbs < 1.9 Command Injection via Volume Path Argument CVSS 4.0HIGH 8.4

Sources

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