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      <title>CVE-2026-79917 — MaxKB: Chat share-link endpoint missing owner check: a chat token can publish another user's conversation</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-79917</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; 1Panel-dev MaxKB&lt;/p&gt;
&lt;p&gt;MaxKB is an open-source AI assistant for enterprise. In 2.7.0 through 2.10.4-lts, POST /chat/api/{application_id}/chat/{chat_id}/share_chat verifies that a conversation exists but does not verify that it belongs to the authenticated chat_user_id or to the application bound to the caller&amp;#39;s token. An attacker with any chat token and a known victim chat_id can create an unauthenticated public ChatShareLink exposing the victim&amp;#39;s conversation and can create PublicFileAccess state that makes associated files retrievable without credentials, with no available revoke path. No fixed version is available as of this review.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; 1Panel-dev MaxKB&lt;/p&gt;
&lt;p&gt;MaxKB is an open-source AI assistant for enterprise. In 2.7.0 through 2.10.4-lts, POST /chat/api/{application_id}/chat/{chat_id}/share_chat verifies that a conversation exists but does not verify that it belongs to the authenticated chat_user_id or to the application bound to the caller&amp;#39;s token. An attacker with any chat token and a known victim chat_id can create an unauthenticated public ChatShareLink exposing the victim&amp;#39;s conversation and can create PublicFileAccess state that makes associated files retrievable without credentials, with no available revoke path. No fixed version is available as of this review.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2026-79917</guid>
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