CVE-2026-75852

Critical

Description

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.

SeverityCritical

CVSS9.8

Exploit probability—

ProductArcadedata Arcadedb

PublishedAug 18, 2026

First seenAug 18, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Update

ArcadeData arcadedb26.8.1 or later

Vendor advisories

github.com/ArcadeData/arcadedb/security/advisories/GHSA-fq9c-x968-g278

Affected products

Product	Affected versions	Fixed in
ArcadeData arcadedb	v < 26.8.1	26.8.1

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