CVE-2026-75852: Arcadedata Arcadedb

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-protocol plugin. Unauthenticated attackers can issue insert, find, update, delete, and create commands against any database by connecting to port 27017 without credentials.

Affected products

• Arcadedata Arcadedb: before 26.8.1 (fixed in 26.8.1)

Published 2026-08-18. Last modified 2026-08-31.