Security Advisory

CVE-2026-55608

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-15 20:35:29

Last updated 2026-07-17 12:32:25

Assigner GitHub_M

CVSS score 4.2

State PUBLISHED

Description

n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.57.4, multi-tenant HTTP mode with ENABLE_MULTI_TENANT=true could allow an authenticated tenant to access default-scope workflow_versions backups instead of being confined to the tenant scope, exposing or deleting workflow-version backups from prior single-tenant deployments or migrations. This issue is fixed in version 2.57.4.

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