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.

Score

CVSS 4.0 6.9 Medium

Status

Analyzed - security@zabbix.com

Published

2026-03-24

Last modified

2026-03-25

Weaknesses

CWE-470

Affected products

• Zabbix (Zabbix)

References

• https://support.zabbix.com/browse/ZBX-27641