CVE-2026-58168 DeepTutor < 1.4.10 - Insecure Default Grants Unrestricted MCP Tool Access to Non-Admin Users

DeepTutor before version 1.4.10 contains an authorization bypass vulnerability that allows low-privilege users to invoke unrestricted MCP tools due to the allowedmcptools function returning None instead of a denied result when mcptools is omitted from a user's grant in...

CVE-2026-58168

Vulnerability overview: DeepTutor prior to v1.4.10 contains an authorization bypass in which the allowed_mcp_tools function returns None instead of denying access when mcp_tools is omitted from a user’s grant in deeptutor/multi_user/tool_access.py. This enables low-privilege users, including thos...