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      <title>CVE-2026-0998 — Mattermost Zoom Plugin allows unauthorized meeting creation and post modification via insufficient API access controls</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-0998</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Mattermost&lt;/p&gt;
&lt;p&gt;Mattermost versions 11.1.x &amp;lt;= 11.1.2, 10.11.x &amp;lt;= 10.11.9, 11.2.x &amp;lt;= 11.2.1 and Mattermost Plugin Zoom versions &amp;lt;=1.11.0 fail to validate user identity and post ownership in the {{/api/v1/askPMI}} endpoint which allows unauthorized users to start Zoom meetings as any user and overwrite arbitrary posts via direct API calls with manipulated user IDs and post data.. Mattermost Advisory ID: MMSA-2025-00534&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Mattermost&lt;/p&gt;
&lt;p&gt;Mattermost versions 11.1.x &amp;lt;= 11.1.2, 10.11.x &amp;lt;= 10.11.9, 11.2.x &amp;lt;= 11.2.1 and Mattermost Plugin Zoom versions &amp;lt;=1.11.0 fail to validate user identity and post ownership in the {{/api/v1/askPMI}} endpoint which allows unauthorized users to start Zoom meetings as any user and overwrite arbitrary posts via direct API calls with manipulated user IDs and post data.. Mattermost Advisory ID: MMSA-2025-00534&lt;/p&gt;</content:encoded>
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