CVE-2026-75854: Arcadedata Arcadedb

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

ArcadeDB versions before 26.8.1 contain a missing authentication vulnerability in the Redis wire-protocol plugin that allows unauthenticated attackers to read, write, and delete data. Attackers can connect to the Redis port and execute arbitrary commands against any database on the server without providing credentials, bypassing all security gates.

Affected products

• Arcadedata Arcadedb: before 26.8.1 (fixed in 26.8.1)

Published 2026-08-18. Last modified 2026-10-08.