CVE-2026-81096 ToolUniverse through 1.2.6 Unauthenticated Remote Code Execution via python_code_executor Sandbox Escape

ToolUniverse ran caller-supplied Python inside a sandbox that could be escaped, on a server that required no authentication. The executor behind the pythoncodeexecutor tool, in pythonexecutortool.py, inspected the submitted source for a denied list of attribute names and calls but left the...

CVE-2026-81096

ToolUniverse through 1.2.6 contained an unauthenticated remote code execution flaw in its python_code_executor tool (python_executor_tool.py). The sandbox blocked a denied list of attribute names but left attribute-lookup builtins available, allowing an attacker to walk from a literal's class to ...

CVE-2026-81096 ToolUniverse through 1.2.6 Unauthenticated Remote Code Execution via python_code_executor Sandbox Escape

ToolUniverse ran caller-supplied Python inside a sandbox that could be escaped, on a server that required no authentication. The executor behind the pythoncodeexecutor tool, in pythonexecutortool.py, inspected the submitted source for a denied list of attribute names and calls but left the...