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    <title>Most recent entries from all</title>
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      <title>CVE-2026-21636</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-21636</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; nodejs node&lt;/p&gt;
&lt;p&gt;A flaw in Node.js&amp;#39;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.&lt;/p&gt;
&lt;p&gt;* The issue affects users of the Node.js permission model on version v25.&lt;/p&gt;
&lt;p&gt;In the moment of this vulnerability, network permissions (`--allow-net`) are still in the experimental phase.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; nodejs node&lt;/p&gt;
&lt;p&gt;A flaw in Node.js&amp;#39;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.&lt;/p&gt;
&lt;p&gt;* The issue affects users of the Node.js permission model on version v25.&lt;/p&gt;
&lt;p&gt;In the moment of this vulnerability, network permissions (`--allow-net`) are still in the experimental phase.&lt;/p&gt;</content:encoded>
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