# Kibana 8.19.21, 9.4.6, 9.5.2 Security Update (ESA-2026-169)

**URL:** <https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-169/390119>\
**Category:** Security Announcements\
**Created:** [September 1, 2026, 10:37pm UTC](https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-169/390119 "2026-09-01T22:37:05Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Bryan\_Garcia](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bryan_garcia/32/148179_2.png) [@Bryan\_Garcia](https://discuss.elastic.co/u/Bryan_Garcia)\
**Post date:** [September 1, 2026, 10:37pm UTC](https://discuss.elastic.co/t/kibana-8-19-21-9-4-6-9-5-2-security-update-esa-2026-169/390119/1 "2026-09-01T22:37:05Z")

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**Incorrect Authorization in Kibana Leading to Unauthorized Resource Consumption**

Incorrect Authorization (CWE-863) in the Kibana machine learning feature can lead to unauthorized resource consumption via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user could invoke machine learning functionality beyond their authorization scope, consuming cluster resources they should not be able to reach.

**Affected Versions:**

- 8.x: All versions from 8.0.0 up to and including 8.19.20
- 9.x:
  - All versions from 9.0.0 up to and including 9.4.5
  - All versions from 9.5.0 up to and including 9.5.1

**Affected Configurations:**  
All configurations with machine learning features enabled.

**Solutions and Mitigations:**  
The issue is resolved in Kibana versions 8.19.21, 9.4.6, and 9.5.2.

**For Users that Cannot Upgrade:**

There are no workarounds for this vulnerability.

**Indicators of Compromise (IOC)**  
No specific indicators of compromise have been identified for this vulnerability.

**Elastic Cloud Serverless**

Due to our continuous deployment and patching model, the vulnerability described in this security advisory was remediated in our Elastic Cloud Serverless offering before the public disclosure.

**Severity:** CVSSv3.1: Medium ( 4.3 ) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L  
**CVE ID:** CVE-2026-82293  
**Problem Type:** CWE-863 - Incorrect Authorization  
**Impact:** CAPEC-180 - Exploiting Incorrectly Configured Access Control Security Levels