CVE-2026-23926EPSS p16.5%

CVE-2026-23926CVE-2026-23926

zabbix / zabbix

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.

Scoring

CVSS 6.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
EPSS0.26% probability of exploitation · percentile 16.5% · 2026-10-05T12:00:23Z
Last modified2026-09-18
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.