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OpenAdvisories
Medium WID-SEC-2026-3724 5 CVEs

Zabbix: Mehrere Schwachstellen

Published Oct 4, 2026 · Updated Oct 5, 2026 · Revision 2 · de-DE

Vendor: Fedora Vendor: Zabbix Product: Linux Product: Zabbix Platform: Linux

Summary

Ein Angreifer kann mehrere Schwachstellen in Zabbix ausnutzen, um Informationen offenzulegen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen, und um Daten zu manipulieren.

Product

Zabbix ist ein Open-Source Netzwerk-Monitoringsystem.

Vulnerabilities 5

  • Medium 6.9
    CVE-2026-59782

    JavaScript preprocessing memory disclosure

    The JavaScript preprocessing (Duktape) engine on Zabbix server has a vulnerability where a limited administrator is able to read raw heap data potentially resulting in leaked data from other running preprocessors not available to said administrator.

    Zabbix Zabbix zabbix zabbix Debian Ubuntu
  • Medium 6.9
    CVE-2026-59786

    Active agent heartbeat missing TLS check

    Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate authentication. This means someone with access to the Zabbix trapper port can report an arbitrary host using an active agent as available, result…

    Zabbix Zabbix zabbix zabbix Debian Ubuntu
  • Medium 5.3
    CVE-2026-59787

    SNMP trap injection in zabbix_trap_receiver.pl

    The Perl SNMP trap receiver script shipped with Zabbix does not properly neutralize the ZBXTRAP record delimiter in trap content. This means someone able to send SNMP traps can inject a record targeting another host, resulting in a loss of integrity.

    Zabbix Zabbix zabbix zabbix Debian Ubuntu
  • Medium 5.1
    CVE-2026-59785

    Hidden host credentials inferable via multiselect.get filtering

    Host search in Frontend allows filtering by fields that are not displayed, including stored IPMI and PSK credentials. A user with read access can guess a credential and see from the search result whether the guess was right, letting them uncover it.

    Zabbix Zabbix zabbix zabbix Debian Ubuntu
  • Low 2.3
    CVE-2026-59783

    Server DoS via binary items

    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.

    Zabbix Zabbix zabbix zabbix Debian Ubuntu

Revision history

  1. #2

    Neue Updates von Fedora und European Union Vulnerability Database aufgenommen

  2. #1

    Initiale Fassung

References