OpenClaw < 2026.5.12 - Exec Denylist Bypass in Bundle MCP Loopback Session Spawn

OpenClaw before 2026.5.12 contains an exec denylist bypass vulnerability in the bundle MCP loopback session-spawn path that allows authenticated callers to bypass intended command restrictions. Attackers can reach the affected bundled MCP session-spawn path to start sessions with broader command reach than intended.