{
  "claim_outcome": "confirmed",
  "claim_block_reason": null,
  "repro_result": "confirmed",
  "validated_surface": "dns_remote",
  "evidence_scope": "production_path",
  "claimed_impact_class": "code_execution",
  "observed_impact_class": "code_execution",
  "exploitability_confidence": "high",
  "attacker_controlled_input": "DNS-rebound Host header (rebind.attacker.test:8899) with no bearer token, sent via curl --resolve to 127.0.0.1",
  "trigger_path": "DNS rebinding -> loopback TCP peer -> _is_local_client() bypasses API_AUTH_KEY -> _shell_tools_enabled_for_request() enables bash tool -> POST /sessions/{id}/messages -> BashTool subprocess.run(shell=True) -> RCE",
  "end_to_end_target_reached": true,
  "sanitizer_used": false,
  "crash_observed": false,
  "read_write_primitive_observed": true,
  "exploit_chain_demonstrated": true,
  "blocking_mitigation": "_reject_untrusted_loopback_host middleware (PR #242, v0.1.10) rejects untrusted Host headers on loopback peers with HTTP 403",
  "inferred": false
}