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0
vulnerability
Brahma.Fi's L2 position handler contains a sign confusion bug in positionInWantToken() that miscalculates position value when the account is underwater, treating negative account values as positive funds. This leads to incorrect share calculations during deposits/withdrawals, fee overcharges, and potential protocol insolvency through user exploitation.
sign-confusion
position-value-miscalculation
accounting-error
protocol-insolvency
l2-security
perpetual-protocol
leverage-trading
fund-loss
withdrawal-exploit
fee-manipulation
underwater-position
clearing-house
solidity
Brahma.Fi
PerpV2Controller
PerpTradeExecutor
Perpetual Protocol
Optimism
0x1b6BF7Ab4163f9a7C1D4eCB36299525048083B5e