CVE-2026-23923Medium· 5.3▾ SunlitAn unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes. The impact depends on environment setup but appears limited at this time.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 29.2 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 10.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.3%
An unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes. The impact depends on environment setup but appears limited at this time.
zabbix >= 7.4.0, < 7.4.7Upgrade past the affected range:
zabbix 7.4.7Connected by shared product, vendor, weakness, or advisory.
CVE-2026-59788Medium· 5.6The email media type OAuth form passes the Authorization endpoint value to window.open() without validating the URL scheme, so a javascript: URL is executed in the browser
CVE-2026-59785Medium· 5.1Host search in Frontend allows filtering by fields that are not displayed, including stored IPMI and PSK credentials
CVE-2026-59786Medium· 6.9Zabbix Server and Proxy accept the active agent heartbeat message regardless of the configured PSK or certificate authentication
CVE-2026-59787Medium· 5.3The Perl SNMP trap receiver script shipped with Zabbix does not properly neutralize the ZBXTRAP record delimiter in trap content
CVE-2026-59782Medium· 6.9The 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 ad…
CVE-2026-59783Low· 2.3The 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