CVE-2026-54052

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 ENABLEMULTITENANT=true, n8n-mcp's local workflow version history backups were not isolated per tenant, allowing an...

Remote Code Execution via Flow Studio Node Definitions

Description LOLLMS Flow Studio contains multiple code execution vulnerabilities via unsafe use of Python's exec function. Two distinct code paths allow arbitrary Python code execution on the server: 1. Direct Code Execution via/api/flows/testcode Admin endpoint File: backend/routers/flowstudio.py...