CVE-2026-75852

ArcadeDB MongoDB wire protocol authentication bypass cross-database

Published Aug 18, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Arcadedata
Arcadedata arcadedb
Vendors & Products Arcadedata
Arcadedata arcadedb
Type Values Removed Values Added
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.
Title ArcadeDB MongoDB wire protocol authentication bypass cross-database
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 18, 2026, 1:35 PM
Reserved
Aug 18, 2026, 11:03 AM
Status
Deferred
Published
Aug 18, 2026, 12:19 PM
Modified
Oct 22, 2026, 10:10 PM