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CVE details

CVE-2026-63261

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can send a specially crafted request to a Kibana machine learning feature, causing the server to exhaust available memory and become unavailable to all users.

Score
6.5 medium
Published
2026-07-21
Links
NVD · cve.org · Report wrong data

Matched ports (2)

PortPackageVersionStatusMaintainer
textproc/kibana91kibana919.1.10unaddressedelastic@FreeBSD.org
textproc/kibana92kibana929.2.8unaddressedelastic@FreeBSD.org

Template for a VuXML entry

Range taken from the CVE record, check it before committing. make newentry in security/vuxml creates the vid.

  <vuln vid="FIXME (make newentry)">
    <topic>FIXME -- FIXME</topic>
    <affects>
      <package>
	<name>kibana91</name>
	<range><lt>8.19.19</lt></range>
      </package>
      <package>
	<name>kibana92</name>
	<range><lt>8.19.19</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to
	denial of service via Excessive Allocation (CAPEC-130). A
	low-privileged authenticated user can send a specially crafted request
	to a Kibana machine learning feature, causing the server to exhaust
	available memory and become unavailable to all users.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-63261</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-63261</url>
    </references>
    <dates>
      <discovery>2026-07-21</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>