Auth bypass in Arcadedata Arcadedb
CVE-2026-75852
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.
Vulnerability class: Broken Authentication
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- disclosure@vulncheck.com (vendor-advisory)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2026-75852?
- CVE-2026-75852 is a critical-severity vulnerability in Arcadedata Arcadedb, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-08-18.
- How severe is CVE-2026-75852?
- Critical severity. CVSS v3 base score is 9.8 out of 10.