CycloneDX cyclonedx-node-npm up to 5.x Windows Fallback Path src/npmRunner.ts workspace os command injection

Summaryinfo

A vulnerability was found in CycloneDX cyclonedx-node-npm up to 5.x and classified as problematic. Affected by this vulnerability is an unknown functionality of the file src/npmRunner.ts of the component Windows Fallback Path. The manipulation of the argument workspace results in os command injection. This vulnerability is cataloged as CVE-2026-71538. The attack must be initiated from a local position. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in CycloneDX cyclonedx-node-npm up to 5.x. Affected is an unknown code of the file src/npmRunner.ts of the component Windows Fallback Path. The manipulation of the argument workspace with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

@cyclonedx/cyclonedx-npm creates CycloneDX Software Bill of Materials from npm projects. Prior to version 6.0.0, the Windows fallback path in src/npmRunner.ts, used when npm_execpath does not provide the npm CLI path, can construct a shell command containing an untrusted value from the --workspace option. When an attacker can influence that option and the fallback npm execution path is reached, shell metacharacters in the workspace value can execute arbitrary operating-system commands with the privileges of the user running the CLI, allowing data access, file modification, or service disruption. This issue is fixed in version 6.0.0.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-71538 since 08/06/2026. The exploitability is told to be easy. Local access is required to approach this attack. Successful exploitation requires user interaction by the victim. 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 6.0.0 eliminates this vulnerability.

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Productinfo

Type

• Software Library

Vendor

• CycloneDX

Name

• cyclonedx-node-npm

Version

• 5.x

Website

• Product: https://github.com/CycloneDX/cyclonedx-node-npm/

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