CVE-2026-23930
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Zabbix
PublishedAug 18, 2026
First seenAug 18, 2026
Weakness typeCWE-405CWE-405
How to fix
Update
- zabbix zabbix6.0.47, 7.0.27, 7.4.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zabbix zabbix | 6.0.0 ≤ v < 6.0.47, 7.0.0 ≤ v < 7.0.27, 7.4.0 ≤ v < 7.4.11 | 6.0.47, 7.0.27, 7.4.11 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.