Highlights
CORS Misconfiguration: 2 prior fixes. Scrutinize any change in this area.
corsheaders/middleware.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.
CORS Misconfiguration: Emitted Access-Control-Allow-Credentials for origins not in the allowlist, exposing authenticated data to unauthorized cross-origin requests.
CORS Misconfiguration: Origin allowlist matching ignored the URL scheme, allowing origins with a different scheme (e.g., http vs https) to be incorrectly treated as allowed, enabling unauthorized cross-origin access.