CVE-2026-75852

CRITICAL 9.8

ArcadeDB MongoDB wire protocol authentication bypass cross-database

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-306
Vendor	arcadedata
Product	arcadedb
Published	Aug 18, 2026
Last Updated	Aug 18, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

ArcadeData / arcadedb

0 < 26.8.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-fq9c-x968-g278 vulncheck.com: https://www.vulncheck.com/advisories/arcadedb-mongodb-wire-protocol-authentication-bypass-cross-database

Credits

🔍 manus-use 🔍 chow8386