Published on : 2026-06-06 Reading time : 8 min Tags : #security #python #audit #devops Overview Over 3 months, I developed and audited 6 Python projects (3 bots + 3 libraries): a FastAPI + Telegram Bot + LLM integration system. I discovered 25 security/code issues and fixed 23 immediately. Audit scope : 91 Python files Issues found : 25 (5 critical, 18 medium, 2 minor) Fix rate : 92% (23/25) Critical Issues - 5 1. API Keys Exposed in Git History 🔴 Problem : Anthropic, Supabase, and Telegram API