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HIGH · 7.5

CVE-2026-23930

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...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
ZabbixZabbix>= 6.0.0, < 6.0.47

Related Weaknesses (CWE)

CWE-405

References

FAQ

What is CVE-2026-23930?

CVE-2026-23930 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2026-23930?

CVE-2026-23930 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-23930?

Check the references section above for vendor advisories and patch information. Affected products include: Zabbix Zabbix.