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    <lastBuildDate>Wed, 07 Oct 2026 23:06:04 +0000</lastBuildDate>
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      <title>CVE-2026-22218 — Chainlit &lt; 2.9.4 Arbitrary File Read via /project/element</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-22218</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Chainlit&lt;/p&gt;
&lt;p&gt;Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element identifier (chainlitKey) can then be used to retrieve the file contents via /project/file/&amp;lt;chainlitKey&amp;gt;, allowing disclosure of any file readable by the Chainlit service.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Chainlit&lt;/p&gt;
&lt;p&gt;Chainlit versions prior to 2.9.4 contain an arbitrary file read vulnerability in the /project/element update flow. An authenticated client can send a custom Element with a user-controlled path value, causing the server to copy the referenced file into the attacker’s session. The resulting element identifier (chainlitKey) can then be used to retrieve the file contents via /project/file/&amp;lt;chainlitKey&amp;gt;, allowing disclosure of any file readable by the Chainlit service.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2026-22218</guid>
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