# Kibana 9.4.5, 9.5.1 Security Update (ESA-2026-168)

**URL:** <https://discuss.elastic.co/t/kibana-9-4-5-9-5-1-security-update-esa-2026-168/390082>\
**Category:** Security Announcements\
**Created:** [September 1, 2026, 6:41pm UTC](https://discuss.elastic.co/t/kibana-9-4-5-9-5-1-security-update-esa-2026-168/390082 "2026-09-01T18:41:59Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ismisepaul](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ismisepaul/32/102235_2.png) [@ismisepaul](https://discuss.elastic.co/u/ismisepaul)\
**Post date:** [September 1, 2026, 6:41pm UTC](https://discuss.elastic.co/t/kibana-9-4-5-9-5-1-security-update-esa-2026-168/390082/1 "2026-09-01T18:41:59Z")

</div>

**Improper Neutralization of Special Elements in Data Query Logic in Kibana Leading to Information Disclosure**

Improper Neutralization of Special Elements in Data Query Logic (CWE-943) in Kibana can lead to information disclosure via NoSQL Injection (CAPEC-676). An authenticated user with access to the affected query functionality could submit specially crafted input that alters the intended query logic, returning data the user is not authorized to read.

**Affected Versions:**

- 9.x:
  - All versions from 9.4.0 up to and including 9.4.4
  - Version 9.5.0

Users on the 8.x release line are not affected. The functionality that contains this vulnerability was introduced in 9.4.0 and is not present in 8.x.

**Affected Configurations:**  
Kibana deployments where the affected query management capability is enabled and authenticated users hold access to the query interfaces it exposes.

**Solutions and Mitigations:**

The issue is resolved in Kibana versions 9.4.5 and 9.5.1.

**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 ( 6.5 ) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N  
**CVE ID:** CVE-2026-63138  
**Problem Type:** CWE-943 - Improper Neutralization of Special Elements in Data Query Logic  
**Impact:** CAPEC-676 - NoSQL Injection