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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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      <title>CVE-2026-54022 — Open WebUI: Any authenticated user can read other users' private notes via Socket.IO</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-54022</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; open-webui&lt;/p&gt;
&lt;p&gt;Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the ydoc:document:join Socket.IO handler checks note ownership only when the document_id starts with note: (colon). However, the YdocManager storage layer normalizes all document IDs by replacing colons with underscores (document_id.replace(&amp;#34;:&amp;#34;, &amp;#34;_&amp;#34;)). An attacker can join a document room using note_&amp;lt;id&amp;gt; (underscore) instead of note:&amp;lt;id&amp;gt; (colon), bypassing the authorization check entirely while accessing the same underlying Yjs document. The server then returns the full document state, leaking the victim&amp;#39;s private note contents. This vulnerability is fixed in 0.8.11.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; open-webui&lt;/p&gt;
&lt;p&gt;Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.8.11, the ydoc:document:join Socket.IO handler checks note ownership only when the document_id starts with note: (colon). However, the YdocManager storage layer normalizes all document IDs by replacing colons with underscores (document_id.replace(&amp;#34;:&amp;#34;, &amp;#34;_&amp;#34;)). An attacker can join a document room using note_&amp;lt;id&amp;gt; (underscore) instead of note:&amp;lt;id&amp;gt; (colon), bypassing the authorization check entirely while accessing the same underlying Yjs document. The server then returns the full document state, leaking the victim&amp;#39;s private note contents. This vulnerability is fixed in 0.8.11.&lt;/p&gt;</content:encoded>
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