{
  "claim_outcome": "confirmed",
  "repro_result": "confirmed",
  "evidence_scope": "production_path",
  "observed_impact_class": "code_execution",
  "claimed_impact_class": "code_execution",
  "exploitability_confidence": "high",
  "attacker_controlled_input": "The first member filename in an authenticated administrator-uploaded tar.gz backup archive",
  "trigger_path": "POST /fledge/backup/upload -> upload_backup() -> tar extraction -> os.system('cp ' + attacker-controlled source + ' ' + backup_path)",
  "claimed_surface": "api_remote",
  "validated_surface": "api_remote",
  "end_to_end_target_reached": true,
  "sanitizer_used": false,
  "crash_observed": false,
  "read_write_primitive_observed": false,
  "exploit_chain_demonstrated": true,
  "accepted_exploit_knowledge_record_ids": [
    "f288ff16-5099-4cc0-8234-3ac31316cd5f"
  ],
  "inferred": false
}