Kibana 8.x < 8.19.22 / 9.0.x < 9.4.7 / 9.5.x < 9.5.3 DoS (ESA-2026-181)

medium Nessus Plugin ID 351859

Synopsis

The remote host is affected by a denial of service vulnerability.

Description

The version of Kibana installed on the remote host is 8.x prior to 8.19.22, or 9.0.x prior to 9.4.7, or 9.5.x prior to 9.5.3. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-181 advisory.

- Uncontrolled Resource Consumption (CWE-400) in Kibana can lead denial of service via Excessive Allocation (CAPEC-130) (CVE-2026-94400)

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

Solution

Upgrade to Kibana version 8.19.22, 9.4.7, or 9.5.3 or later as appropriate for your release branch.

See Also

https://discuss.elastic.co/t/390685

Plugin Details

Severity: Medium

ID: 351859

File Name: kibana_esa_2026_181.nasl

Version: 1.1

Type: Remote

Family: CGI abuses

Published: 9/30/2026

Updated: 9/30/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.61

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-94400

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:elasticsearch:kibana

Required KB Items: installed_sw/Kibana

Exploit Ease: No known exploits are available

Patch Publication Date: 9/25/2026

Vulnerability Publication Date: 9/25/2026

Reference Information

CVE: CVE-2026-94400