Threats Tagged 'cve-2026-81096'
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Threats Tagged 'cve-2026-81096'
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CVE-2026-81096: Improper Control of Generation of Code ('Code Injection') in mims-harvard ToolUniverseCVE-2026-81096 0 ToolUniverse ran caller-supplied Python inside a sandbox that could be escaped, on a server that required no authentication. The executor behind the python_code_executor tool, in python_executor_tool.py, inspected the submitted source for a denied list of attribute names and calls but left the attribute-lookup builtins available and did not stop a dunder attribute reached through a string lookup or through a module already permitted, so a caller could walk from a literal's class to its base and enumerate subclasses to obtain a reference to the process and subprocess modules. A per-call argument also let the caller widen the import allow-list before the inspection ran. The HTTP and MCP servers in http_api_server.py and smcp_server.py bound to every interface with debugging enabled and no authentication, so any caller able to reach the port executed code as the server process. Version 1.3.0 adds bearer-token authentication, defaults the bind address to loopback, and hardens the attribute checks. Join the discussion | CVE Database V5 | 08/27/2026, 14:50:36 UTC Added: 08/27/2026, 16:54:07 UTC |
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