Zabbix Server 7.0.x < 7.0.29 / 7.4.x < 7.4.13 Authentication Bypass (ZBX-28196)

The version of Zabbix Server installed on the remote host is 7.0.x prior to 7.0.29, or 7.4.x prior to 7.4.13. It is, therefore, affected by an authentication bypass vulnerability: - Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate...

Zabbix Proxy 7.0.x < 7.0.29 / 7.4.x < 7.4.13 Authentication Bypass (ZBX-28196)

The version of Zabbix Proxy installed on the remote host is 7.0.x prior to 7.0.29, or 7.4.x prior to 7.4.13. It is, therefore, affected by an authentication bypass vulnerability: - Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate...

CVE-2026-59786

Zabbix Server and Proxy accept the active agent heartbeat message rega...

CVE-2026-59783

The Zabbix Server/Proxy has a vulnerability where binary items can cra...

Linux Distros Unpatched Vulnerability : CVE-2026-59786

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate authentication. This means someone with access...

CVE-2026-59783

A flaw was found in Zabbix Server and Proxy. In deployments configured with a MySQL or MariaDB database backend, an authenticated remote attacker can cause a denial of service DoS by submitting binary items containing null bytes. This improper input handling causes the server or proxy process to...

DEBIAN-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...

DEBIAN-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-2026-59786

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...

UBUNTU-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...

UBUNTU-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-2026-59786

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-2026-59786 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...

EUVD-2026-92398

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: 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...