CVE-2026-42186: OpenBao命名空间删除数据残留漏洞

import requests import time # Configuration OPENBAO_ADDR = "http://localhost:8200" VAULT_TOKEN = "root_token" # Admin token needed NAMESPACE_NAME = "test-ns-cve-2026-42186" # Headers headers = {"X-Vault-Token": VAULT_TOKEN, "X-Vault-Namespace": "root"} def create_namespace(ns_name): url = f"{OPENBAO_ADDR}/v1/sys/namespaces/{ns_name}" r = requests.post(url, headers=headers) print(f"Create Namespace: {r.status_code}") def write_secret(ns_name, path, data): ns_headers = headers.copy() ns_headers["X-Vault-Namespace"] = f"root/{ns_name}" url = f"{OPENBAO_ADDR}/v1/secret/data/{path}" r = requests.post(url, headers=ns_headers, json={"data": data}) print(f"Write Secret: {r.status_code}") def delete_namespace(ns_name): url = f"{OPENBAO_ADDR}/v1/sys/namespaces/{ns_name}" # In a real scenario, one might attempt to interrupt this or exploit the retry logic r = requests.delete(url, headers=headers) print(f"Delete Namespace: {r.status_code}") def check_residual_data(ns_name, path): # Attempt to access data that should have been deleted # This demonstrates the potential for data leakage print(f"Checking for residual data in {ns_name}...") # Logic to query storage backend directly would go here print("[!] If vulnerable, data might persist in storage despite namespace deletion.") # Execution Flow create_namespace(NAMESPACE_NAME) write_secret(NAMESPACE_NAME, "api-key", {"key": "secret_value"}) delete_namespace(NAMESPACE_NAME) check_residual_data(NAMESPACE_NAME, "api-key")