medium5.3
CVE-2026-23923
An unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Zabbix | Zabbix | from 7.4.0 before 7.4.7 |