CVE-2026-23931CWE-203

CVE-2026-23931

Medium · published August 18, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
12.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
5.3 · 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
EPSS
0.00226 · 12.6th percentile
Weakness
CWE-203 · Observable Discrepancy
Published
2026-08-18T17:17Z
Affected products (1)
ProductVersionsFixed in
zabbix/zabbix≥ 7.4.0, < 7.4.117.4.11
References (1)
https://support.zabbix.com/browse/ZBX-28070 · [email protected]
EPSS history
Timeline
  • 18 AUG 12:17Z
    Frontend plaintext macro value enumeration via the validatate.api.exists action
    cvelistv5