漏洞信息
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Vulnerability Title
n8n-MCP: Cross-tenant access to workflow version backups in multi-tenant HTTP deployments
Vulnerability Description
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.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
Vulnerability Type
通过用户控制密钥绕过授权机制
Vulnerability Title
czlonkowski n8n-mcp 授权问题漏洞
Vulnerability Description
czlonkowski n8n-mcp是czlonkowski的MCP 工具。 czlonkowski n8n-mcp 2.56.1之前版本存在授权问题漏洞,该漏洞源于在多租户HTTP模式下,工作流版本历史备份未按租户隔离,可能导致已认证的用户读取或删除其他租户的工作流版本快照、节点定义、凭据引用及授权标头。
CVSS Information
N/A
Vulnerability Type
N/A