CVE-2026-75853

ArcadeDB's Gremlin wire-protocol plugin (com.arcadedb:arcadedb-gremlin) in versions <= 26.7.3 enforces authentication (SASL PLAIN) but performs no authorization: it never checks database access permissions (canAccessToDatabase) and never binds the authenticated principal into the engine. As a result, any valid server credential — even one provisioned for zero or one unrelated database — can read, write, and drop data in any database on the server by selecting a target database via a traversal-source alias, completely bypassing the engine's per-type/read-only/UPDATE_SCHEMA ACLs. The issue is fixed in version 26.8.1.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-c287-v325-j5jx
https://www.vulncheck.com/advisories/arcadedb-gremlin-wire-protocol-authorization-bypass-cross-database
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-c287-v325-j5jx

Configurations

No configuration.

History

22 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) El plugin de protocolo de conexión Gremlin de ArcadeDB (com.arcadedb:arcadedb-gremlin) en versiones menor o igual que 26.7.3 impone autenticación (SASL PLAIN) pero no realiza autorización: nunca verifica los permisos de acceso a la base de datos (canAccessToDatabase) y nunca vincula el principal autenticado al motor. Como resultado, cualquier credencial de servidor válida - incluso una aprovisionada para cero o una base de datos no relacionada - puede leer, escribir y eliminar datos en cualquier base de datos en el servidor seleccionando una base de datos de destino a través de un alias de origen de recorrido, omitiendo completamente las ACLs per-tipo/solo lectura/UPDATE_SCHEMA del motor. El problema está solucionado en la versión 26.8.1.

Information

Published : 2026-08-18 12:19

Updated : 2026-10-22 22:10

NVD link : CVE-2026-75853

Mitre link : CVE-2026-75853

CVE.ORG link : CVE-2026-75853

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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