Improper Restriction of Communication Channel to Intended Endpoints

Overview @grackle-ai/mcp is a MCP Model Context Protocol server for Grackle — translates MCP tool calls to ConnectRPC Affected versions of this package are vulnerable to Improper Restriction of Communication Channel to Intended Endpoints in the knowledgesearch and knowledgegetnode MCP tools, whic...

@grackle-ai/mcp has a workspace authorization bypass in its knowledge_search MCP tool

Impact The knowledgesearch and knowledgegetnode MCP tools are included in SCOPEDTOOLS visible to scoped agents but their handlers do not receive authContext and do not enforce workspace scoping. A scoped agent in Workspace A can supply an arbitrary workspaceId parameter to search or retrieve...