CVE-2026-58168
HighCVSS 8.8Exploitation Probability (EPSS)
Low risk33th percentile — higher than 33% of all known CVEs
Summary
An authorization bypass vulnerability in DeepTutor before version 1.4.10 allows low-privilege users to invoke unrestricted MCP tools. The allowed_mcp_tools function returns None instead of a denied result when mcp_tools is omitted from a user's grant.
Risk Assessment
Attackers or prompt-injected content within a user session can enumerate and invoke any configured MCP tool, including filesystem, shell, and browser servers, gaining unauthorized access to sensitive deployment resources.
Recommendation
Upgrade DeepTutor to version 1.4.10 or later, which includes a fix for the authorization bypass vulnerability.
Original NVD description (English source)
DeepTutor before version 1.4.10 contains an authorization bypass vulnerability that allows low-privilege users to invoke unrestricted MCP tools due to the allowed_mcp_tools function returning None instead of a denied result when mcp_tools is omitted from a user's grant in deeptutor/multi_user/tool_access.py. Attackers or prompt-injected content acting within a user session can enumerate and invoke any configured MCP tool, including filesystem, shell, and browser servers, gaining unauthorized access to sensitive deployment resources.