bug-buster-ai

The `backend/airline.py` file, which is part of the provided source code, contains a `calculate` function that uses `eval(expr)`. If this function were exposed to untrusted user input, it would be a severe remote code execution vulnerability. While `backend/server.py` (the core API) does not appear to directly use this `airline.py` file, its presence in the repository's backend makes it a significant security risk if the architecture were ever changed or if `airline.py` were invoked in an insecure context. Other aspects, like handling API keys via Key Vault and OIDC for deployment, are good practices. Diagnostic endpoints `/network-test` and `/semgrep-test` provide system information, which could be a minor information disclosure risk, but are common for health checks.