CVE-2026-23926
Fixed in a distro release EPSS <1%CVSS 7.3
An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget. This can allow the attacker to perform unauthorized actions depending on which user opens the tooltip.
Products: Zabbix
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian:12 | zabbix | no fix |
| Debian:13 | zabbix | no fix |
| Debian:14 | zabbix | 1:7.0.27+dfsg-1 |
| Ubuntu:25.10 | 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 |