Highlights
Access Control: 3 prior fixes. Scrutinize any change in this area.
contracts/AxelarAuthMultisig.sol: most-fixed (1 issue). Treat as high-risk during review.
4 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.
Access Control: Upgrade function lacked contract ID verification, allowing upgrade to a wrong or malicious implementation.
Access Control: Upgrade function lacked codehash verification, enabling unauthorized implementation swaps.
Auth Bypass: Signature validation and epoch-based key retention were insufficient, allowing auth bypass.