---
cve: "CVE-2026-67342"
severity: "CRITICAL"
cvss: 9.3
epss: "32%"
vendor: "ArcadeData"
kev: false
exploited: false
published: "2026-08-01 12:22:16"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T04:54:46+02:00"
---

# CVE-2026-67342

> 9.3 CRITICAL · 🧪 PoC

## Beschreibung

ArcadeDB versions before 26.7.2 contain an authorization bypass vulnerability in HTTP handlers for time series, batch, Prometheus, and Grafana endpoints that fail to validate database access permissions. Attackers can access and modify databases they are not authorized to use by directly calling affected endpoints with arbitrary database parameters.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

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

## Patch verfügbar (OSV)

- a53338edd645b92a8a866738976f03b6831b190b (Commit)

## Referenzen

- <https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-x8mg-6r4p-87pf>
- <https://www.vulncheck.com/advisories/arcadedb-before-authorization-bypass-via-database-handlers>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-67342) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_