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Search Results (2 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-54052 2 Czlonkowski, N8n-mcp 2 N8n-mcp, N8n-mcp 2026-07-18 9.9 Critical
n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.56.1, in HTTP mode with multi-tenancy enabled through ENABLE_MULTI_TENANT=true, n8n-mcp's local workflow version history backups were not isolated per tenant, allowing an authenticated tenant to read workflow version snapshots belonging to other tenants and delete or destroy other tenants' stored backups, including full node definitions, credential references, and authorization headers. This issue is fixed in version 2.56.1.
CVE-2026-55608 2 Czlonkowski, N8n-mcp 2 N8n-mcp, N8n-mcp 2026-07-17 4.2 Medium
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.