Detections
Analytics

Kibana 8.x < 8.19.12 / 9.2.x < 9.2.6 / 9.3.x < 9.3.1 (ESA_2026_13)

high Nessus Plugin ID 300912

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Synopsis

The remote host is missing a security update.

Description

The version of Kibana installed on the remote host is prior to 8.19.12, 9.2.6, or 9.3.1. It is, therefore, affected by a vulnerability as referenced in the ESA_2026_13 advisory.

 - Improper Input Validation (CWE-20) in the internal Content Connectors search endpoint in Kibana can lead Denial of Service via Input Data Manipulation (CAPEC-153)

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 8.19.12, 9.2.6, 9.3.1 or later.

See Also

http://www.nessus.org/u?2939a9fd

Plugin Details

Severity: High

ID: 300912

File Name: kibana_esa_2026_13.nasl

Version: 1.2

Type: remote

Family: CGI abuses

Published: 3/5/2026

Updated: 3/9/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-26935

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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: 2/26/2026

Vulnerability Publication Date: 2/26/2026

Reference Information

CVE: CVE-2026-26935

IAVB: 2026-B-0054