A critical vulnerability in AWS Lambda functions allows attackers to exploit OS command injection through S3 file uploads, potentially compromising AWS credentials and enabling further malicious actions such as phishing via AWS SES. The article highlights the importance of proper configuration and vulnerability scanning to prevent such attacks in event-driven architectures.

An OpenAI-compatible API can be effectively deployed using AWS Lambda and an Application Load Balancer (ALB) to bypass the limitations of API Gateway's authentication requirements. By setting up the ALB to route traffic directly to the Lambda function, developers can maintain a seamless integration with the OpenAI Python client, ensuring a consistent API experience. This approach offers flexibility and security when exposing custom AI services.