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Zest Protocol v2 (Upgrade V2)

Security Review

ClarityLendingDeFi
Published

December 20, 2025

Total Findings

11

Findings Breakdown

Critical1
Medium3
Low5
QA / Informational2
View Full Report (PDF)

Executive Summary

A follow-up security review of Zest Protocol v2 with findings related to ZToken liquidation caching, DAO treasury operations, wSTX wrapper functionality, and Pyth price update bundling.

About Zest

Zest Protocol is a decentralized lending platform on Stacks enabling Bitcoin-backed borrowing and lending. The v2 architecture represents a complete redesign introducing vaults, efficiency groups, flash loans, and integrated oracle price feeds for enhanced capital efficiency.

Findings Summary

This security review identified a total of 11 findings:

1 Critical
3 Medium
5 Low
2 QA / Informational

All findings were thoroughly documented and communicated to the Zest team. For detailed analysis and remediation recommendations, please refer to the full report.