Detections
Analytics

Kibana 8.x < 8.19.21 / 9.0.x < 9.4.6 / 9.5.x < 9.5.2 Incorrect Authorization (ESA-2026-169)

medium Nessus Plugin ID 344314

Synopsis

The remote host is affected by an incorrect authorization vulnerability.

Description

The version of Kibana installed on the remote host is 8.x prior to 8.19.21, or 9.0.x prior to 9.4.6, or 9.5.x prior to 9.5.2. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-169 advisory.

 - 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. (CVE-2026-82293)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update to Kibana version 8.19.21, 9.4.6, 9.5.2 or later.

See Also

http://www.nessus.org/u?2f0a8419

Plugin Details

Severity: Medium

ID: 344314

File Name: kibana_esa_2026_169.nasl

Version: 1.1

Type: Remote

Family: CGI abuses

Published: 9/9/2026

Updated: 9/9/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2026-82293

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Vulnerability Information

CPE: cpe:/a:elasticsearch:kibana

Required KB Items: installed_sw/Kibana

Patch Publication Date: 9/1/2026

Vulnerability Publication Date: 9/1/2026

Reference Information

CVE: CVE-2026-82293

IAVB: 2026-B-0244