EUVD-2026-36320

OpenClaw before 2026.5.20 contains a privilege escalation vulnerability where hook-triggered agent runs incorrectly receive owner-scoped MCP loopback authority instead of hook-appropriate scope. Attackers with a valid hook token can exploit the /hooks/agent endpoint to cause spawned CLI runtimes ...

CVE-2026-53814

OpenClaw before 2026.5.20 contains a privilege-escalation vulnerability in which a hook-triggered agent runs with owner-scoped MCP loopback authority instead of the hook-appropriate scope. Attackers with a valid hook token can use the /hooks/agent endpoint to cause spawned CLI runtimes to access ...

CVE-2026-25905 Lack of isolation in mcp-run-python leads to MCP server takeover

The Python code being run by 'runPython' or 'runPythonAsync' is not isolated from the rest of the JS code, allowing any Python code to use the Pyodide APIs to modify the JS environment. This may result in an attacker hijacking the MCP server - for malicious purposes including MCP tool shadowing...

PT-2026-7090

Name of the Vulnerable Software and Affected Versions MCP affected versions not specified Description The Python code executed by the 'runPython' or 'runPythonAsync' functions lacks isolation from other JavaScript code. This allows Python code to utilize Pyodide APIs to alter the JavaScript...