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A flaw in Node.js's permission model allows Unix Domain Socket (UDS) connections to bypass network restrictions when `--permission` is enabled. Even without `--allow-net`, attacker-controlled inputs (such as URLs or socketPath options) can connect to arbitrary local sockets via net, tls, or undici/fetch. This breaks the intended security boundary of the permission model and enables access to privileged local services, potentially leading to privilege escalation, data exposure, or local code execution. * The issue affects users of the Node.js permission model on version v25. In the moment of this vulnerability, network permissions (`--allow-net`) are still in the experimental phase.

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Node.js 安全漏洞

Node.js是Node.js开源的一个开源、跨平台的 JavaScript 运行时环境。 Node.js v25版本存在安全漏洞，该漏洞源于权限模型存在缺陷，允许Unix域套接字连接绕过网络限制，可能导致访问特权本地服务，引发权限提升、数据泄露或本地代码执行。

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