Threats Tagged 'cve-2026-45707'
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Threats Tagged 'cve-2026-45707'
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CVE-2026-45707: CWE-284: Improper Access Control in czlonkowski n8n-mcpCVE-2026-45707 0 n8n-MCP is an MCP server that provides AI assistants access to n8n node documentation, properties, and operations. Prior to 2.51.2, when ENABLE_MULTI_TENANT=true, the HTTP transport documents that the target n8n instance is selected per-request from x-n8n-url / x-n8n-key headers. Requests that omitted those headers — or supplied only one of them — silently fell back to the process-level N8N_API_URL / N8N_API_KEY credentials configured for the operator's own n8n instance. As a result, an authenticated MCP tenant could cause n8n management calls to execute against the operator's instance instead of its own. This affects HTTP-mode deployments of n8n-mcp that are run as a shared multi-tenant service. Single-tenant deployments (ENABLE_MULTI_TENANT unset or false) are not affected. This vulnerability is fixed in 2.51.2. Join the discussion | CVE Database V5 | 05/29/2026, 13:35:42 UTC Added: 05/29/2026, 13:48:42 UTC |
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