VULNERABILITY INTELLIGENCE
CVE-2026-23934
CVSS score5.1 MEDIUM
EPSS probability0.56%
CISA KEVNot currently listed
Published2026-08-18
Last modified2026-09-23
CVSS vectorCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Description
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.
Weakness classification
- CWE-405: Asymmetric Resource Consumption (Amplification)
Primary references
- security@zabbix.com — Vendor Advisory