| Name | CVE-2026-23926 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1137209 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| zabbix (PTS) | bullseye | 1:5.0.8+dfsg-1 | vulnerable |
| bullseye (security) | 1:5.0.47+dfsg-0+deb11u1 | vulnerable |
| bookworm | 1:6.0.14+dfsg-1 | vulnerable |
| trixie | 1:7.0.22+dfsg-1~deb13u1 | vulnerable |
| forky, sid | 1:7.0.22+dfsg-1.1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| zabbix | source | (unstable) | (unfixed) | | | 1137209 |
Notes
[trixie] - zabbix <ignored> (The WEB UI is only supported for access by trusted users, no security updates issued for it, #1124558)
[bookworm] - zabbix <ignored> (The WEB UI is only supported for access by trusted users, no security updates issued for it, #1124558)
https://support.zabbix.com/browse/ZBX-27758