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Brene

Security Researcher

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High

10

Total

Medium

11

Total

$1.60K

Total Earnings

#1217 All Time

9x

Payouts

gold

1x

1st Places

regular

2x

Top 10

regular

5x

Top 25

All

Sherlock

Code4rena

Cantina

Aug '25

USG - Tangent

USG - Tangent

623.41 USDC • 4 total findings • Sherlock • Brene

#14

medium

Incorrect scaling of `getPtToSyRate` in `OraclePendlePT` leads to mispriced collateral

medium

Missing slippage protection when collateral is sent directly to liquidator

medium

Borrow pause incorrectly blocks collateral-only migrations

medium

First staker gains retroactive rewards due to un-updated `lastUpdateTime`

solayer-bridge

solayer-bridge

120 USDC • 1 total finding • Cantina • Brene

#36

medium

Finding not yet public.

Jul '25

Mellow Flexible Vaults

Mellow Flexible Vaults

140.41 USDC • 3 total findings • Sherlock • Brene

#32

high

Consensus signature verification fails to enforce multi-signer threshold due to missing duplication

high

Off-By-One logic error in `handleReport` skips eligible deposits

medium

Incorrect transfer whitelist enforcement logic in `updateChecks`

May '25

LEND

LEND

72.67 USDC • 9 total findings • Sherlock • Brene

#34

high

Unscaled principle handling in `_handleValidBorrowRequest` leads to residual Cross-Chain collateral during full repayment

high

Stale `borrowIndex` in `redeem()` Leads to Incorrect Liquidity Checks

high

Cross-Chain liquidation uses collateral seize amount instead of repayment amount for debt reduction

high

Incorrect Borrowed Asset Tracking Enables Over-Borrowing

high

Incorrect chain identity check in `borrowWithInterest()` enables understated debt

high

`claimLend` function fails to update accrued lend leading to funds loss

medium

Incorrect borrow amount scaling in `liquidateBorrowAllowedInternal` leads to improper liquidation limits

medium

Liquidators Must Supply Collateral Asset Before Redeeming Seized Rewards

medium

Double scaling of borrowed amount via `borrowIndex`

Upside

Upside

189.47 USDC • Code4rena • Brene

gold

Mar '25

StarkWare Perps

StarkWare Perps

23.92 USDC • Code4rena • Brene

#23

Jan '25

IQ AI

IQ AI

3.58 USDC • 1 total finding • Code4rena • Brene

#16

medium

Ineffective proposal threshold validation allows setting arbitrary high values

Oct '24

Kleidi

Kleidi

431.93 USDC • 1 total finding • Code4rena • Brene

#8

medium

Gas griefing/attack via creating the proposals

Aug '24

Chakra

Chakra

0.1 USDT • 2 total findings • Code4rena • Brene

#64

high

There is no refund mechanism in `ChakraSettlement.processCrossChainCallback` or `ChakraSettlementHandler.receive_cross_chain_callback` function

high

SettlementSignatureVerifier is missing check for duplicate validator signatures