CVE-2026-23934

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...

CVE-2026-23934 Frontend DoS via the validate.api.exists action

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...

CVE-2026-23934

An authenticated user with low privileges can send crafted requests to the Frontend validate.api.exists action in Zabbix, causing disproportionate CPU load and potential denial of service (CVSS 5.1 Medium, adjacent network). No exploitation details or patch version are provided in the documents. ...

CVE-2026-23931 Frontend plaintext macro value enumeration via the validatate.api.exists action

The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality...

EUVD-2026-60736

The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality...