The following code is for security research and authorized testing only.
python
# PoC Concept for Race Condition (CVE-2026-28830)
# This is a simulated demonstration of a Time-of-Check to Time-of-Use (TOCTOU) race condition.
import threading
import time
class RaceConditionExploit:
def __init__(self):
self.shared_resource = "sensitive_data.txt"
self.lock = threading.Lock()
def malicious_access(self):
# Thread 1: Attempting to access data rapidly
while True:
try:
# Simulate the race window
with self.lock:
print("[Malicious App] Trying to access protected resource...")
# If validation logic is slow, this might succeed
if self.check_permission():
data = self.read_data()
print(f"[!] Exploit Success! Data: {data}")
break
except Exception as e:
continue
def check_permission(self):
# Simulate the system's validation step
time.sleep(0.001) # Introduce delay to widen the race window
return True # Assume validation passes due to race
def read_data(self):
# Simulate reading the sensitive file
return "USER_SENSITIVE_TOKEN_123"
if __name__ == "__main__":
exploit = RaceConditionExploit()
# In a real scenario, this would be triggered by user interaction (UI:R)
exploit.malicious_access()