sindresorhus open up to 10.x index.js authorization_endpoint os command injection

Summaryinfo

A vulnerability classified as critical has been found in sindresorhus open up to 10.x. This impacts an unknown function of the file index.js. This manipulation of the argument authorization_endpoint causes os command injection. This vulnerability is handled as CVE-2026-119025. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in sindresorhus open up to 10.x. It has been declared as critical. Affected by this vulnerability is some unknown processing of the file index.js. The manipulation of the argument authorization_endpoint 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. The summary by CVE is:

open 7.2.0 before 11.0.0 contains an OS command injection vulnerability that allows attackers to execute PowerShell code by supplying crafted URLs on Windows and WSL. Attackers can embed $(...) subexpressions in URLs, such as OAuth authorization_endpoint values from malicious MCP servers, which execute when index.js passes them unescaped to powershell -EncodedCommand.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-119025 since 10/29/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Applying the patch 274d70446bf38a7b7d50b214dd3962ef8ea9320d is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• sindresorhus

Name

• open

Version

• 10.x

Website

• Product: https://github.com/sindresorhus/open/

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