Home › MCP Server › Security: Threats, Risks, and Controls › Top 10 MCP Server Vulnerabilities › 7. Broken Object-Level Authorization (BOLA) Jun 30, 2025 · Updated Jul 02, 2025 1 min read 7. Broken Object-Level Authorization (BOLA) 7. Broken Object-Level Authorization (BOLA) Tools fail to bind resource access to user identity, allowing horizontal privilege escalation. Example: GET /get_report?id=9231 # Returns another user’s report Mitigation: Token-bound resource checks Alert on cross-tenant access Share: