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    <lastBuildDate>Wed, 07 Oct 2026 11:42:50 +0000</lastBuildDate>
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      <title>CVE-2026-1436 — Improper Access Control (IDOR) vulnerability in Graylog Web Interface</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-1436</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Graylog Web Interface&lt;/p&gt;
&lt;p&gt;Improper Access Control (IDOR) in the Graylog API, version 2.2.3, which occurs when modifying the user ID in the URL. An authenticated user can access other user&amp;#39;s profiles without proper authorization checks. Exploiting this vulnerability allows valid users of the system to be listed and sensitive third-party information to be accessed, such as names, email addresses, internal identifiers, and last activity. The endpoint &amp;#39;http://&amp;lt;IP&amp;gt;:12900/users/&amp;lt;my_user&amp;gt;&amp;#39; does not implement object-level authorization validations.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Graylog Web Interface&lt;/p&gt;
&lt;p&gt;Improper Access Control (IDOR) in the Graylog API, version 2.2.3, which occurs when modifying the user ID in the URL. An authenticated user can access other user&amp;#39;s profiles without proper authorization checks. Exploiting this vulnerability allows valid users of the system to be listed and sensitive third-party information to be accessed, such as names, email addresses, internal identifiers, and last activity. The endpoint &amp;#39;http://&amp;lt;IP&amp;gt;:12900/users/&amp;lt;my_user&amp;gt;&amp;#39; does not implement object-level authorization validations.&lt;/p&gt;</content:encoded>
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