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      <title>CVE-2026-55638 — 9router: Unauthenticated LLM proxy access via /codex rewrite authorization bypass</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-55638</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; decolua 9router&lt;/p&gt;
&lt;p&gt;9Router is an AI router &amp;amp; token saver. Prior to 0.5.2, 9router protects /v1, /v1beta, /api/v1, and /api/v1beta in src/dashboardGuard.js but omits /codex before next.config.mjs rewrites /codex/* to /api/v1/responses. A remote unauthenticated attacker can send requests to /codex/* to bypass the API-key gate and cause the server to make upstream provider calls using operator-stored LLM provider credentials. This issue is fixed in version 0.5.2.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; decolua 9router&lt;/p&gt;
&lt;p&gt;9Router is an AI router &amp;amp; token saver. Prior to 0.5.2, 9router protects /v1, /v1beta, /api/v1, and /api/v1beta in src/dashboardGuard.js but omits /codex before next.config.mjs rewrites /codex/* to /api/v1/responses. A remote unauthenticated attacker can send requests to /codex/* to bypass the API-key gate and cause the server to make upstream provider calls using operator-stored LLM provider credentials. This issue is fixed in version 0.5.2.&lt;/p&gt;</content:encoded>
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