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

No advisories yet.

Fixes

Solution

Update the affected components to their respective fixed versions.


Workaround

Macro values with the 'Secret text' or 'Vault secret' types are not affected.

History

Tue, 18 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Zabbix
Zabbix zabbix
Vendors & Products Zabbix
Zabbix zabbix

Tue, 18 Aug 2026 12:30:00 +0000

Type Values Removed Values Added
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.
Title Frontend plaintext macro value enumeration via the validatate.api.exists action
Weaknesses CWE-203
References
Metrics cvssV4_0

{'score': 5.3, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Zabbix

Published:

Updated: 2026-08-18T13:35:23.212Z

Reserved: 2026-01-19T14:03:13.686Z

Link: CVE-2026-23931

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-18T13:17:21.433

Modified: 2026-08-18T14:17:01.157

Link: CVE-2026-23931

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T14:15:07Z

Weaknesses