CVE-2026-23926

MediumCVSS 6.8/10Last modified Sep 18, 2026

Description

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.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
Zabbix	Zabbix	>= 7.0.0, <= 7.0.23; >= 7.4.0, <= 7.4.7

References

https://support.zabbix.com/browse/ZBX-27758Vendor Advisory

Timeline

Published: May 6, 2026
Last modified: Sep 18, 2026
NVD status: Analyzed

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