Highlights
Denial of Service: 8 prior fixes. Scrutinize any change in this area.
modules/cdp_engine/src/lib.rs: most-fixed (2 issues). Treat as high-risk during review.
13 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.
Auth Bypass: Multiple runtime-level fixes address missing signature and unsigned-transaction validation, indicating a systemic risk of unauthorized state transitions.
Auth Bypass: Privilege comparison flaw in scheduled dispatch cancellation allows lower-privileged origins to cancel higher-privilege dispatches.
Denial of Service: Two separate DoS fixes in the CDP engine—one from panics on invalid rates and one from out-of-bounds array access in offchain worker—highlight fragile deserialization and index handling.