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npm/openopen 7.2.0 before 11.0.0 OS Command Injection via PowerShell on Windows

Risk 69
Severity
7.5
OS Command Injection, Command Injection
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

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 authorizationendpoint values from malicious MCP servers, which execute when index.js passes them unescaped to powershell -EncodedCommand.

First published (updated )
CVE-2026-119025

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