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      <title>CVE-2026-43999 — vm2: NodeVM builtin allowlist bypass via `module` builtin's `Module._load` allows sandbox escape</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-43999</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; patriksimek vm2, Red Hat Ansible Automation Platform 2.1, Red Hat Developer Hub&lt;/p&gt;
&lt;p&gt;vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, NodeVM&amp;#39;s builtin allowlist can be bypassed when the module builtin is allowed (including via the &amp;#39;*&amp;#39; wildcard). The module builtin exposes Node&amp;#39;s Module._load(), which loads any module by name directly in the host context, completely bypassing vm2&amp;#39;s builtin restriction. This allows sandboxed code to load excluded builtins like child_process and achieve remote code execution. This vulnerability is fixed in 3.11.0.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; patriksimek vm2, Red Hat Ansible Automation Platform 2.1, Red Hat Developer Hub&lt;/p&gt;
&lt;p&gt;vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, NodeVM&amp;#39;s builtin allowlist can be bypassed when the module builtin is allowed (including via the &amp;#39;*&amp;#39; wildcard). The module builtin exposes Node&amp;#39;s Module._load(), which loads any module by name directly in the host context, completely bypassing vm2&amp;#39;s builtin restriction. This allows sandboxed code to load excluded builtins like child_process and achieve remote code execution. This vulnerability is fixed in 3.11.0.&lt;/p&gt;</content:encoded>
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