CVE-2026-23926

An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget. This can allow the attacker to perform unauthorized actions depending on which user opens the tooltip.

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.zabbix.com/browse/ZBX-27758	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:zabbix:zabbix::::::::
	cpe:2.3:a:zabbix:zabbix::::::::

History

18 Sep 2026, 15:35

Type	Values Removed	Values Added
CPE		cpe:2.3:a:zabbix:zabbix::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.8
References	~~() https://support.zabbix.com/browse/ZBX-27758 -~~	() https://support.zabbix.com/browse/ZBX-27758 - Vendor Advisory
First Time		Zabbix Zabbix zabbix

Information

Published : 2026-05-06 08:16

Updated : 2026-09-18 15:35

NVD link : CVE-2026-23926

Mitre link : CVE-2026-23926

CVE.ORG link : CVE-2026-23926

JSON object : View

Products Affected

zabbix

zabbix

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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