---
cve: "CVE-2026-23931"
severity: "MEDIUM"
cvss: 5.3
epss: "28%"
vendor: "Zabbix"
kev: false
exploited: false
published: "2026-08-18 13:17:21"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T03:22:51+02:00"
---

# CVE-2026-23931

> 5.3 MEDIUM

## Beschreibung

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

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-23931) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_