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Bandit vs Flawfinder: catalog facts
Bandit	Flawfinder
Free Free and open source.	Free Free and open source under GPL-2.0-or-later.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Focused on security issues in Python code Ready-made pre-commit hooks	Ranks potential findings by risk level Can generate HTML, CSV and SARIF output
Python code only Pattern-based checks can produce false positives	Checks C and C++ source code Findings need investigation and do not replace a security review
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-2.0-or-later
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.