CVE-2026-23934
Medium
Description
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.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Zabbix
PublishedAug 18, 2026
First seenAug 18, 2026
Weakness typeCWE-405CWE-405
How to fix
Update
- zabbix zabbix7.4.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| zabbix zabbix | 7.4.0 ≤ v < 7.4.12 | 7.4.12 |
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