CVE-2026-59783: Zabbix

Low severity, CVSS 2.3. EPSS: 0.2% chance of exploitation in the next 30 days.

The Zabbix Server/Proxy has a vulnerability where binary items can crash the Server/Proxy on certain NULL byte input leading to potential loss of availability. This only affects deployments where MySQL/MariaDB database is used as the Zabbix database.

Affected products

• Zabbix Zabbix

Published 2026-10-05. Last modified 2026-10-06.