CVE-2026-23931

Frontend plaintext macro value enumeration via the validatate.api.exists action

State: Published
Severity: 5.3 Medium
Published: Aug 18, 2026
Updated: Aug 18, 2026
Reserved: Jan 19, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N	Zabbix

Weaknesses

CWE-203 Observable Discrepancy

Affected Products

Product	Versions
ZabbixZabbix	7.4.0 through 7.4.10Affectedfrom 7.4.11Not affected

References

https://support.zabbix.com/browse/ZBX-28070

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