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    <lastBuildDate>Wed, 07 Oct 2026 13:51:17 +0000</lastBuildDate>
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      <title>CVE-2026-73222 — Claude Code Templates: Unauthenticated OS command injection (RCE) in Claude Code Studio server (--studio)</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-73222</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; davila7 claude-code-templates&lt;/p&gt;
&lt;p&gt;Claude Code Templates is a CLI tool for configuring and monitoring Claude Code. Prior to 1.29.4, the Claude Code Studio server launched by the --studio option in cli-tool/src/sandbox-server.js binds to all interfaces on port 3444, permits cross-origin requests, and requires no authentication. The POST /api/execute endpoint passes the prompt request-body field to executeLocalTask(), and POST /api/install-agent passes the agentName request-body field to a child process. The same unsafe agent field path is reachable from /api/execute through checkAndInstallAgent(). These attacker-controlled values reach child_process.spawn() with shell execution enabled, causing Node.js to construct a shell command in which metacharacters are interpreted. An attacker who can reach the port directly, or who convinces a developer running Studio to visit a malicious website, can execute arbitrary operating-system commands with the developer&amp;#39;s privileges and compromise source code, credentials, and local data. This issue is fixed in version 1.29.4.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; davila7 claude-code-templates&lt;/p&gt;
&lt;p&gt;Claude Code Templates is a CLI tool for configuring and monitoring Claude Code. Prior to 1.29.4, the Claude Code Studio server launched by the --studio option in cli-tool/src/sandbox-server.js binds to all interfaces on port 3444, permits cross-origin requests, and requires no authentication. The POST /api/execute endpoint passes the prompt request-body field to executeLocalTask(), and POST /api/install-agent passes the agentName request-body field to a child process. The same unsafe agent field path is reachable from /api/execute through checkAndInstallAgent(). These attacker-controlled values reach child_process.spawn() with shell execution enabled, causing Node.js to construct a shell command in which metacharacters are interpreted. An attacker who can reach the port directly, or who convinces a developer running Studio to visit a malicious website, can execute arbitrary operating-system commands with the developer&amp;#39;s privileges and compromise source code, credentials, and local data. This issue is fixed in version 1.29.4.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2026-73222</guid>
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