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    <lastBuildDate>Wed, 07 Oct 2026 10:32:02 +0000</lastBuildDate>
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      <title>CVE-2026-74039 — Wazuh 4.0.0 &lt; 4.14.7 API DoS via Deeply Nested JSON auth_context</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-74039</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; wazuh-manager&lt;/p&gt;
&lt;p&gt;Wazuh 4.0.0 before 4.14.7 and 5.0.0-beta2 contain a denial of service vulnerability that allows authenticated attackers with allow_run_as enabled to exhaust CPU resources by submitting arbitrarily deeply nested JSON structures to the POST /security/user/authenticate/run_as endpoint. Attackers can repeatedly submit malformed auth_context bodies with unlimited nesting depth to cause the API framework to consume excessive CPU, denying service to all other API consumers.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; wazuh-manager&lt;/p&gt;
&lt;p&gt;Wazuh 4.0.0 before 4.14.7 and 5.0.0-beta2 contain a denial of service vulnerability that allows authenticated attackers with allow_run_as enabled to exhaust CPU resources by submitting arbitrarily deeply nested JSON structures to the POST /security/user/authenticate/run_as endpoint. Attackers can repeatedly submit malformed auth_context bodies with unlimited nesting depth to cause the API framework to consume excessive CPU, denying service to all other API consumers.&lt;/p&gt;</content:encoded>
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