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    <lastBuildDate>Mon, 28 Sep 2026 19:51:04 +0000</lastBuildDate>
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      <title>CVE-2026-44007 — vm2: nesting: true bypasses require: false, allowing sandbox escape to arbitrary OS command execution</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-44007</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 3.11.1, when a NodeVM is created with nesting: true, sandbox code can unconditionally require(&amp;#39;vm2&amp;#39;) regardless of the outer VM&amp;#39;s require configuration — including require: false. With access to vm2, the sandbox constructs a new inner NodeVM with its own unrestricted require settings and executes arbitrary OS commands on the host. Any application that runs untrusted code inside a NodeVM with nesting: true is fully compromised. This vulnerability is fixed in 3.11.1.&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 3.11.1, when a NodeVM is created with nesting: true, sandbox code can unconditionally require(&amp;#39;vm2&amp;#39;) regardless of the outer VM&amp;#39;s require configuration — including require: false. With access to vm2, the sandbox constructs a new inner NodeVM with its own unrestricted require settings and executes arbitrary OS commands on the host. Any application that runs untrusted code inside a NodeVM with nesting: true is fully compromised. This vulnerability is fixed in 3.11.1.&lt;/p&gt;</content:encoded>
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