CVE-2026-23934

An authenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend validate.api.exists action, leading to potential denial of service.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.zabbix.com/browse/ZBX-28072	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*

History

23 Sep 2026, 14:30

Type	Values Removed	Values Added
First Time		Zabbix zabbix Zabbix
References	~~() https://support.zabbix.com/browse/ZBX-28072 -~~	() https://support.zabbix.com/browse/ZBX-28072 - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
CPE		cpe:2.3:a:zabbix:zabbix::::::::

Information

Published : 2026-08-18 13:17

Updated : 2026-09-23 14:30

NVD link : CVE-2026-23934

Mitre link : CVE-2026-23934

CVE.ORG link : CVE-2026-23934

JSON object : View

Products Affected

zabbix

zabbix

CWE

CWE-405

Asymmetric Resource Consumption (Amplification)

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