# Warren (Tezoro) security audit

Warren (formerly Tezoro): this audit covered the Tezoro v1.1 Solidity contracts, an ERC-4626 vault allocating deposits across lending protocols such as Aave V3, Compound V3, Spark, Morpho Blue and Fluid, with keeper rebalancing.

Codezen audited Warren (Tezoro) together with Oak Security. Technologies in scope: Solidity, Ethereum and EVM. We reported 32 findings: 5 major, 18 minor and 9 informational.

- Audit type: Solidity smart contract audit
- Technologies: Solidity, Ethereum, EVM
- Ecosystem: Ethereum
- Delivered with: Oak Security
- Report date: 15 May 2026
- Full report (PDF): https://github.com/oak-security/audit-reports/blob/main/Tezoro/2026-05-15%20Audit%20Report%20-%20Tezoro%20v1.0.pdf
- Project website: https://warren.co
- Page: https://www.codezen.tech/audits/warren-tezoro/

## Findings by severity

| Severity | Count |
| --- | --- |
| Critical | 0 |
| Major | 5 |
| Minor | 18 |
| Info | 9 |
| Total | 32 |

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