Highlights
Auth Bypass: 4 prior fixes. Scrutinize any change in this area.
pages/api/polling/vote.ts: most-fixed (2 issues). Treat as high-risk during review.
6 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: Critical severity; signature verification was initially missing, allowing unauthorized voting; later hardened to verify signer matches voter address.
Auth Bypass: Comment submission lacked nonce and signature verification, allowing spoofed or unauthorized comments.
Auth Bypass: Comment storage did not verify transaction sender or message signature, enabling comment spoofing.