CVE-2026-23934

EUVD-2026-60738
An authenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend validate.api.exists action, leading to potential denial of service.
Amplification
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
ZabbixCNA
5.1 MEDIUM
ADJACENT
LOW
LOW
CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
zabbixzabbix
7.4.0 ≤
𝑥
≤ 7.4.11
CNA
Common Weakness Enumeration
References
https://support.zabbix.com/browse/ZBX-28072