CVE-2026-23938

EUVD-2026-60741
An authenticated administrator is able to crash Zabbix server or proxy by creating specifically crafted preprocessing/script item JavaScript scripts, leading to potential denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.9 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 26.59%
Affected Products (NVD)
VendorProductVersion
zabbixzabbix
6.0.0 ≤
𝑥
< 6.0.47
zabbixzabbix
7.0.0 ≤
𝑥
< 7.0.27
zabbixzabbix
7.4.0 ≤
𝑥
< 7.4.11
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
zabbix
bookworm
ignored
forky
1:7.0.29+dfsg-2
fixed
sid
1:7.0.29+dfsg-2
fixed
trixie
ignored
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
zabbix
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
dne
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
Common Weakness Enumeration
References
https://support.zabbix.com/browse/ZBX-28075