Detections
Analytics

Zabbix 6.0.x < 6.0.41 / 7.0.x < 7.0.19 / 7.2.x < 7.2.13 / 7.4.x < 7.4.3 Information Disclosure (ZBX-27638)

high Nessus Plugin ID 304682

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Synopsis

A monitoring application installed on the remote host is affected by an information disclosure vulnerability.

Description

The version of Zabbix Server installed on the remote host is prior to 6.0.41, 7.0.19, 7.2.13, 7.4.3. It is, therefore, affected by an information disclosure vulnerability :

 - Zabbix Server/Proxy reuses JavaScript (Duktape) contexts for performance reasons. This can lead to confidentiality loss where a regular (non-super) Zabbix administrator leaks data for hosts they do not have access to. (CVE-2026-23919)

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 Zabbix version 6.0.41, 7.0.19, 7.2.13, 7.4.3 or later.

See Also

https://support.zabbix.com/browse/ZBX-27638

Plugin Details

Severity: High

ID: 304682

File Name: zabbix_ZBX-27638.nasl

Version: 1.3

Type: Local

Family: Misc.

Published: 4/2/2026

Updated: 4/6/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.4

CVSS v2

Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5

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

CVSS Score Source: CVE-2026-23919

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 3.8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L

Vulnerability Information

CPE: cpe:/a:zabbix:zabbix_server

Required KB Items: installed_sw/Zabbix Server

Exploit Ease: No known exploits are available

Patch Publication Date: 3/24/2026

Vulnerability Publication Date: 3/24/2026

Reference Information

CVE: CVE-2026-23919

IAVA: 2026-A-0279