CVE-2026-23923

Medium

Description

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductZabbix
PublishedMar 24, 2026
First seenMar 24, 2026
Weakness typeCWE-470CWE-470

How to fix

Update
  • zabbix zabbix7.4.7 or later

Affected products

ProductAffected versionsFixed in
zabbix zabbix7.4.0 ≤ v < 7.4.77.4.7

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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