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, resulting in a loss of integrity...

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, resulting in a loss of integrity...

CVE-2026-59786

Zabbix Server and Proxy are vulnerable to a flaw where they accept active agent heartbeat messages without performing the required TLS check for configured PSK or certificate authentication. An attacker with access to the Zabbix trapper port can exploit this to report an arbitrary host as availab...

CVE-2026-59786

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, resulting in a loss of integrity...

CVE-2026-59783

The Zabbix Server/Proxy is vulnerable to a Denial of Service (DoS) condition when processing binary items containing specific NULL byte input . This vulnerability leads to a crash of the service, resulting in a potential loss of availability. The issue is specific to deployments utilizing MySQL o...

EUVD-2026-92396

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...

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...

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...

CVE-2026-59783

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...

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...

CVE-2026-59782

The Zabbix server is vulnerable to a memory disclosure issue within its JavaScript preprocessing (Duktape) engine. A limited administrator can read raw heap data , which may lead to the leakage of sensitive data from other concurrent preprocessors that the administrator is not authorized to acces...

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...

EUVD-2026-92395

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...

PT-2026-104802

Name of the Vulnerable Software and Affected Versions Zabbix Server/Proxy versions 6.0.x Zabbix Server/Proxy versions 7.0.x Zabbix Server/Proxy versions 7.4.x Description Zabbix Server/Proxy may crash when processing binary items containing certain NULL byte input, which can lead to a loss of...

PT-2026-104801

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...

CVE-2026-59782: Out-of-bounds Read

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...

CVE-2026-59786: Improper Verification of Source of a Communication Channel

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, resulting in a loss of integrity...

PT-2026-104804

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, resulting in a loss of integrity...

CVE-2026-59783: Out-of-bounds Write

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...

Astra Linux – Vulnerability in Zabbix

JavaScript preprocessing can be exploited by attackers to gain access to the file system read-only access on behalf of the user “zabbix” on the Zabbix Server or Zabbix Proxy, potentially leading to unauthorized access to sensitive data...