Highlights
Path Traversal: 2 prior fixes. Scrutinize any change in this area.
src/whitenoise/base.py: most-fixed (1 issue). Treat as high-risk during review.
2 high-severity fixes in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Path Traversal: Windows path traversal via commonprefix allowing sibling directory access; fixed by canonicalization and commonpath check.
Path Traversal: Autorefresh mode allowed absolute path reads outside static root due to missing root absolutization and commonprefix validation.