CVE-2026-67342: Arcadedata Arcadedb

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Arcadedata Arcadedb: before 26.7.2 (fixed in 26.7.2)

Published 2026-08-01. Last modified 2026-08-31.