What’s Vulnerable › Vulnerabilities
CVE-2026-23931: Frontend plaintext macro value enumeration via the validatate.api.exists action
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-18 · updated 2026-09-23
- Weakness: CWE-203
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.
Affected products
- Zabbix: from 7.4.0 before 7.4.11 — fixed in 7.4.11
How to fix
Upgrade to a fixed version: Zabbix 7.4.11. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-23931 or the next vulnerability affects your stack