Claude/show m 011 c uqm lswuw99 mdh5 ngi d kr #3
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Major changes: 1. Upgrade dependencies to Python 3 and modern versions - Flask: 0.10.1 → 3.0.0+ (9+ years of security fixes) - sh: 1.11 → 2.0.0+ - Removed deprecated dependencies (argparse, wsgiref now in stdlib) 2. Fix critical regex vulnerability in host validation - Added length validation (max 253 chars per RFC 1035) - Fixed improperly escaped hyphen in regex character class - Added validation for leading/trailing dots and hyphens - Prevent consecutive dots in hostnames - Better protection against command injection 3. Modernize Python 2 → Python 3 - Replace deprecated flask.escape() with markupsafe.escape() - Update wsgi.py shebang to python3 - Update README to require Python 3.8+ - All syntax validated for Python 3 compatibility Security impact: Fixes multiple CVEs in outdated Flask/Jinja2 versions and hardens input validation against potential exploits.
Ignore Python bytecode (__pycache__, *.pyc), virtual environments, sensitive instance configs, IDE files, and test files.
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