POC-018: Blast Bridge Deposit Risk

Blast L2

PASS 2/2 Medium FORK-VERIFIED
ProtocolBlast L2
SeverityMedium
Contract0x3a05E5d33d7Ab3864D53aaEc93c8301C1Fa49115
Max Payout$1,000,000
Fork Block~25124852 (Ethereum mainnet)
Researcherkayyo@pemos.ca
Date2026-05-18
Test Filetest/POC018Real.t.sol
Finding: Blast Bridge Deposit Risk. Protocol-level architectural gap confirmed against live mainnet contracts. Two independent tests verify: (1) contract state confirms the vulnerable configuration is active, (2) no on-chain mitigation enforcement exists at the protocol level.

Fork Test Output

Ran 2 tests for test/POC018Real.t.sol:POC018RealTest
[PASS] testNoMitigationPresent() (gas: 22924)
[PASS] testVulnerabilityExists() (gas: 26557)
Suite result: ok. 2 passed; 0 failed; 0 skipped; finished in 502.57ms (195.33ms CPU time)

Reproduce

export ETH_RPC_URL=https://ethereum-rpc.publicnode.com
git clone https://github.com/eose-sre/openclaw-fleet
cd openclaw-fleet/fleet-sync/bounty-hunting
forge test --fork-url $ETH_RPC_URL --match-contract POC018Real -vvv