# Kibana 9.4.3 Security Update (ESA-2026-54)

**URL:** <https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-54/388553>\
**Category:** Security Announcements\
**Created:** [July 21, 2026, 7:24pm UTC](https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-54/388553 "2026-07-21T19:24:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![cronosda](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/cronosda/32/147882_2.png) [@cronosda](https://discuss.elastic.co/u/cronosda)\
**Post date:** [July 21, 2026, 7:24pm UTC](https://discuss.elastic.co/t/kibana-9-4-3-security-update-esa-2026-54/388553/1 "2026-07-21T19:24:42Z")

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**Unintended Proxy or Intermediary ('Confused Deputy') in Kibana Leading to Unauthorized Information Exposure**

Unintended Proxy or Intermediary ('Confused Deputy') (CWE-441) in Kibana can lead to unauthorized information exposure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a lower-privileged user can cause data from sources they are not authorized to access to be processed using another user's privileges.

**Affected Versions:**

- 9.x: All versions from 9.4.0 up to and including 9.4.2
- (8.x not affected)

**Affected Configurations:**

- Affects deployments that have enabled Entity Analytics. Exploitation requires an authenticated account with access to the affected functionality.

**Solutions and Mitigations:**

The issue is resolved in version 9.4.3.

**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:L/I:N/A:N  
**CVE ID:** CVE-2026-49092  
**Problem Type:** CWE-441 - Unintended Proxy or Intermediary ('Confused Deputy')  
**Impact:** CAPEC-1 - Accessing Functionality Not Properly Constrained by ACLs