Vulnerability DatabaseCVE-2026-23930
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CVE-2026-23930
Published:August 18, 2026
Updated:September 23, 2026
An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend popup.testtriggerexpr action, leading to potential denial of service.
Affected Packages
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.4.0 <7.4.11
Fix Suggestion:
Update to version 7.4.11
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=6.0.0 <6.0.47
Fix Suggestion:
Update to version 6.0.47
https://github.com/zabbix/zabbix.git (GITHUB):
Affected version(s) >=7.0.0 <7.0.27
Fix Suggestion:
Update to version 7.0.27
Related Resources (1)
https://support.zabbix.com/browse/ZBX-28069
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CVSS v4
Base Score:
5.3
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Asymmetric Resource Consumption (Amplification)
CWE-405
EPSS
Base Score:
0.36