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High 7.7
Phantom: Arbitrary file write and decode-bomb DoS via unconfined MCP tool paths
### Impact In Phantom <= 1.3.0, when `PHANTOM_OUTPUT_DIR` was unset (the default), the MCP tools accepted arbitrary absolute output paths with no confinement. Anything able to send tool calls (e.g. an AI agent driving the MCP interface) could **write or overw…