Zabbix 7.4.x < 7.4.7 Arbitrary PHP Class Instantiation (ZBX-27641)

The version of Zabbix Server installed on the remote host is affected by a vulnerability. 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. Note that Nessus...

CVE-2026-23923

creationtimestamp| type| source ---|---|--- 2026-03-25 14:35:07+00:00| seen| https://bsky.app/profile/o2cloud.bsky.social/post/3mhvcqd54ze2r...

CVE-2026-23923

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...

CVE-2026-23923

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...