---
id: CVE-2026-78596
title: >-
  Missing Authorization in Kibana Leading to Unauthorized Modification of Data /
  Missing Authorization (CWE-862) in Kibana can lead to unauthorized
  modification of data via Privilege Abuse (CAPEC-122)
summary: >-
  Missing Authorization in Kibana Leading to Unauthorized Modification of Data /
  Missing Authorization (CWE-862) in Kibana can lead to unauthorized
  modification of data via Privilege Abuse (CAPEC-122). An authenticated user
  holding Securit…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cwe:
  - CWE-862
published: '2026-09-03'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T14:17:41.457'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78596'
references:
  - url: >-
      https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-3-security-update-esa-2026-154/390161
    label: security@elastic.co
tags:
  - nvd
epss: 0.00161
epssPercentile: 0.05673
ingestedAt: '2026-09-08T15:33:26.958Z'
---

## Overview

Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.