Zabbix 7.0.x < 7.0.24 / 7.4.x < 7.4.8 XSS (ZBX-27758)

The version of Zabbix Server installed on the remote host is prior to 7.0.24, 7.4.8. It is, therefore, affected by a stored cross-site scripting XSS vulnerability. An authenticated non-super administrator can create a maintenance period with a JavaScript payload that is executed by any user that...

DEBIAN-CVE-2026-23926

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 th...

UBUNTU-CVE-2026-23926

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 th...

EUVD-2026-27527

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 th...

CVE-2026-23919

For performance reasons Zabbix Server/Proxy reuses JavaScript Duktape contexts used in script items, JavaScript reprocessing, Webhooks. This can lead to confidentiality loss where a regular non-super Zabbix administrator leaks data for hosts they do not have access to. A fix has been released tha...