Code reviewHardcr-p017

Subject SecurityLevel Senior–Staff~18 minCommon in Security interviewsIndustries Software development

Question

Review this code that trusts a third-party webhook payload.

What a strong answer looks like

Separate real bugs from style. Rank issues by severity, point at the root cause rather than the symptom, and suggest a concrete fix — specific and kind.

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Code to reviewpython

1def handle_webhook(req):2    data = req.json()3    amount = data['amount']4    credit_account(data['user_id'], amount)

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