Zabbix Setup Configuration Authentication Bypass

After the initial setup process, some steps of setup.php file are reachable not only by super-administrators but also by unauthenticated users. A malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend. id: CVE-2022-23134 info: name: Zabbix Setup...

Zabbix <=4.4 - Authentication Bypass

Zabbix through 4.4 is susceptible to an authentication bypass vulnerability via zabbix.php?action=dashboard.view&dashboardid=1. An attacker can bypass the login page and access the dashboard page, and then create a Dashboard, Report, Screen, or Map without any Username/Password i.e., anonymously...

Grafana & Zabbix Integration - Credentials Disclosure

Grafana through 7.3.4, when integrated with Zabbix, contains a credential disclosure vulnerability. The Zabbix password can be found in the apijsonrpc.php HTML source code. When the user logs in and allows the user to register, one can right click to view the source code and use Ctrl-F to search...

Zabbix - SQL Injection

Zabbix before 2.2.14 and 3.0 before 3.0.4 allows remote attackers to execute arbitrary SQL commands via the toggleids array parameter in latest.php and perform SQL injection attacks. id: CVE-2016-10134 info: name: Zabbix - SQL Injection author: princechaddha severity: critical description: Zabbix...

Zabbix - SAML SSO Authentication Bypass

When SAML SSO authentication is enabled non-default, session data can be modified by a malicious actor because a user login stored in the session was not verified. id: CVE-2022-23131 info: name: Zabbix - SAML SSO Authentication Bypass author: For3stCo1d,spac3wh1te severity: critical description:...

CVE-2026-23938

A flaw was found in Zabbix. An authenticated administrator can exploit this vulnerability by creating specially crafted JavaScript scripts within preprocessing or script items. This can lead to a denial of service DoS by crashing the Zabbix server or proxy. Mitigation Restrict administrative acce...

UBUNTU-CVE-2026-23933

In Zabbix 7.4 the cryptographic key used for signing Frontend sessions...

UBUNTU-CVE-2026-23937

The Zabbix API host.get action can be exploited by authenticated users...

UBUNTU-CVE-2026-59781

When Zabbix Agent was installed on Windows into a custom installation...

UBUNTU-CVE-2026-23935

A Zabbix administrator is able to read out of bounds memory by utilizi...

UBUNTU-CVE-2026-1199

Zabbix API and Frontend login lockout mechanism has a flaw where sever...

UBUNTU-CVE-2026-23938

An authenticated administrator is able to crash Zabbix server or proxy...

CNVD-2020-26585

creationtimestamp| type| source ---|---|--- 2026-08-18 19:00:04+00:00| seen| https://t.me/VulnerabilityNews/41921 2026-08-19 00:00:09+00:00| exploited| https://t.me/VulnerabilityNews/41921...

CVE-2026-59781

When Zabbix Agent was installed on Windows into a custom installation directory, the installer did not verify whether the selected directory had secure access permissions. If the target directory allowed unauthorized users to modify its contents, an attacker could place a malicious DLL that could...

CVE-2026-23938

An authenticated administrator is able to crash Zabbix server or proxy by creating specifically crafted preprocessing/script item JavaScript scripts, leading to potential denial of service...

CVE-2026-23937

The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integrity...

CVE-2026-23933

In Zabbix 7.4 the cryptographic key used for signing Frontend sessions has been erroneously written to the database seed. Currently the only known exploitation scenario is for deployments that utilize both - SAML authentication and guest users. In such cases the key can be used to forge valid...

CVE-2026-23935

A Zabbix administrator is able to read out of bounds memory by utilizing a flaw in script item/preprocessing JavaScript HttpRequest logic, leading to potential confidentiality loss...

CVE-2026-1199

Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended...

CVE-2026-59781 Improper validation of custom installation directories on Windows could allow installation into locations with unsafe permissions, increasing the risk of DLL sideloading.

When Zabbix Agent was installed on Windows into a custom installation directory, the installer did not verify whether the selected directory had secure access permissions. If the target directory allowed unauthorized users to modify its contents, an attacker could place a malicious DLL that could...