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Security: Flask debug mode enabled by default, exposed on 0.0.0.0#445

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chinhkrb113 wants to merge 1 commit into666ghj:mainfrom
chinhkrb113:contribai/fix/security/flask-debug-mode-enabled-by-default-expo
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Security: Flask debug mode enabled by default, exposed on 0.0.0.0#445
chinhkrb113 wants to merge 1 commit into666ghj:mainfrom
chinhkrb113:contribai/fix/security/flask-debug-mode-enabled-by-default-expo

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Description

DEBUG defaults to True (FLASK_DEBUG env var is 'True' unless overridden) and the server binds to 0.0.0.0. When debug mode is active, Flask enables the Werkzeug interactive debugger, which allows arbitrary Python code execution via the browser-accessible debugger console if an exception is triggered. Combined with the public bind address this creates a remote code execution vector on any deployment that forgets to set FLASK_DEBUG=False.

Changes

  • backend/app/config.py (modified)

Type of Change

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • Documentation update

Testing

  • Code follows the style guidelines of this project
  • Self-review of code completed
  • Changes generate no new warnings
  • Corresponding changes to documentation made (if applicable)

Severity: high

DEBUG defaults to True (FLASK_DEBUG env var is 'True' unless overridden) and the server binds to 0.0.0.0. When debug mode is active, Flask enables the Werkzeug interactive debugger, which allows arbitrary Python code execution via the browser-accessible debugger console if an exception is triggered. Combined with the public bind address this creates a remote code execution vector on any deployment that forgets to set FLASK_DEBUG=False.

Affected files: config.py

Signed-off-by: ChinhLee <76194645+chinhkrb113@users.noreply.github.com>
@dosubot dosubot bot added the size:S This PR changes 10-29 lines, ignoring generated files. label Apr 2, 2026
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