CVE-2026-23933 is a vulnerability in Zabbix
Published on August 18, 2026
Hardcoded session key in Zabbix 7.4
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 session cookies, potentially leading to unauthorized access. For other Zabbix deployments this does not have a known impact.
Vulnerability Analysis
Weakness Type
Use of Hard-coded Password
The software contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components.
Products Associated with CVE-2026-23933
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Affected Versions
Zabbix:- Version 7.4.0, <= 7.4.10 is affected.