Kibana 8.x < 8.19.17 / 9.0.x < 9.3.6 / 9.4.x < 9.4.3 Vulnerability (ESA-2026-94)

high Nessus Plugin ID 338744

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Synopsis

The remote host is affected by a vulnerability.

Description

The version of Kibana installed on the remote host is 8.x prior to 8.19.17, 9.0.x prior to 9.3.6, or 9.4.x prior to 9.4.3. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-94 advisory.

- Relative Path Traversal (CWE-23) in Kibana can lead to the unauthorized deletion of Kibana resources via Relative Path Traversal (CAPEC-139). Kibana Fleet accepted a user-supplied identifier for a Fleet Server host configuration without rejecting relative traversal sequences. The identifier is stored as provided and is later incorporated into the request that Kibana issues when that configuration is removed.
(CVE-2026-72677)

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 8.19.17, 9.3.6, 9.4.3 or later.

Plugin Details

Severity: High

ID: 338744

File Name: kibana_esa_2026_94.nasl

Version: 1.1

Type: Remote

Family: CGI abuses

Published: 8/21/2026

Updated: 8/21/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.58

CVSS v2

Risk Factor: High

Base Score: 8.5

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

CVSS Score Source: CVE-2026-72677

CVSS v3

Risk Factor: High

Base Score: 7.3

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

Vulnerability Information

CPE: cpe:/a:elasticsearch:kibana

Required KB Items: installed_sw/Kibana

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 8/13/2026

Reference Information

CVE: CVE-2026-72677

CWE: 23

IAVB: 2026-B-0232

Detections

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