CVE-2026-23931

Medium

Description

The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality.

SeverityMedium
CVSS4.3
Exploit probability—
ProductZabbix
PublishedAug 18, 2026
First seenAug 18, 2026
Weakness typeCWE-203CWE-203

How to fix

Update
  • zabbix zabbix7.4.11 or later

Affected products

ProductAffected versionsFixed in
zabbix zabbix7.4.0 ≤ v < 7.4.117.4.11

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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CVE-2026-23931 · Zabbix · Dark Radar