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CVE details

CVE-2026-26939

Missing Authorization (CWE-862) in Kibana’s server-side Detection Rule Management can lead to Unauthorized Endpoint Response Action Configuration (host isolation, process termination, and process suspension) via CAPEC-1 (Accessing Functionality Not Properly Constrained by ACLs). This requires an authenticated attacker with rule management privileges.

Score
6.5 medium
Published
2026-03-19
Links
NVD · cve.org · Report wrong data

Matched ports (1)

PortPackageVersionStatusMaintainer
textproc/kibana91kibana919.1.10unaddressedelastic@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>8.19.12</lt></range>
      </package>
    </affects>
    <description>
      <body xmlns="http://www.w3.org/1999/xhtml">
	<p>Missing Authorization (CWE-862) in Kibana’s server-side Detection
	Rule Management can lead to Unauthorized Endpoint Response Action
	Configuration (host isolation, process termination, and process
	suspension) via CAPEC-1 (Accessing Functionality Not Properly
	Constrained by ACLs). This requires an authenticated attacker with
	rule management privileges.</p>
      </body>
    </description>
    <references>
      <cvename>CVE-2026-26939</cvename>
      <url>https://nvd.nist.gov/vuln/detail/CVE-2026-26939</url>
    </references>
    <dates>
      <discovery>2026-03-19</discovery>
      <entry>2026-10-26</entry>
    </dates>
  </vuln>