khyrenz parseusbs up to 1.8 Volume popen path os command injection

Summaryinfo

A vulnerability classified as critical was found in khyrenz parseusbs up to 1.8. Impacted is the function popen of the component Volume Handler. Executing a manipulation of the argument path can lead to os command injection. This vulnerability is tracked as CVE-2026-40030. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in khyrenz parseusbs up to 1.8. This vulnerability affects the function popen of the component Volume Handler. The manipulation of the argument path with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was disclosed with Mobasi Security Team. The advisory is available at github.com. This vulnerability was named CVE-2026-40030 since 04/08/2026. The exploitation appears to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 1.9 eliminates this vulnerability. Applying the patch 99f05996494e7e41ea0c7e13145ba20eb793e46b is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• khyrenz

Name

• parseusbs

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8

License

• open-source

Website

• Product: https://github.com/khyrenz/parseusbs/

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