Race Condition Hackviser [repack] Jun 2026

def execute_task(self, task): # Simulate task execution with self.lock: # Vulnerable code: access shared resource without proper synchronization self.tasks.append(task)

In the HackViser lab, the vulnerability typically involves a server that allows file uploads but attempts to delete unauthorized files (like PHP shells) immediately after they are saved. race condition hackviser

# Wait for all threads to complete for thread in threads: thread.join() def execute_task(self, task): # Simulate task execution with

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