CVE-2026-119025

EUVD-2026-112744
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.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/anomalyco/opencode/commit/29f07e0c69ad8668e0e15b0eb54f2fcb342af98c
https://github.com/anomalyco/opencode/pull/51414
https://github.com/modelcontextprotocol/inspector/security/advisories/GHSA-q978-78c7-phqw
https://github.com/sindresorhus/open/blob/v10.2.0/index.js#L189-L203
https://github.com/sindresorhus/open/blob/v7.2.0/index.js#L60-L99
https://github.com/sindresorhus/open/commit/274d70446bf38a7b7d50b214dd3962ef8ea9320d
https://github.com/sindresorhus/open/releases/tag/v11.0.0
https://www.vulncheck.com/advisories/open-7.2.0-before-11.0.0-os-command-injection-via-powershell-on-windows