CVE-2026-23934
No fix known EPSS <1%CVSS 5.1
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.
Products: Zabbix
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian:11 | zabbix | no fix |
| Debian:12 | zabbix | no fix |
| Debian:13 | zabbix | no fix |
| Ubuntu:26.04:LTS | zabbix | no fix |
| Ubuntu:26.10 | zabbix | no fix |
| Ubuntu:Pro:14.04:LTS | zabbix | no fix |
| Ubuntu:Pro:16.04:LTS | zabbix | no fix |
| Ubuntu:Pro:18.04:LTS | zabbix | no fix |
| Ubuntu:Pro:20.04:LTS | zabbix | no fix |
| Ubuntu:Pro:22.04:LTS | zabbix | no fix |