Highlights
Auth Bypass: 3 prior fixes. Scrutinize any change in this area.
hubspot/utils/requests/http_auth.py: most-fixed (1 issue). Treat as high-risk during review.
5 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.
Authentication Bypass: Attackers could inject credentials via request options, bypassing configured authentication. Fix enforced that auth values must come from config, removing the options-based injection vector.
Authentication Bypass: Signature validation used non-constant-time comparison and a lax timestamp window, enabling timing attacks and replay. Fix introduced hmac.compare_digest and stricter timestamp checks.
Auth Bypass: Trello routes lacked signature validation, allowing unauthorized access to deal association operations. Fix added HMAC signature validation middleware.