mediumBridge exploitEVM-Solidity
The Graph: If L1GraphTokenGateway's `outboundTransfer` is called by a contract, the entire `msg.value` is blackholed, whether the ticket got redeemed or not
- Payout
- $0
- Protocol
- The Graph
- Disclosed
- Aug 7, 2026
- Source
- code4rena
The Graph's L1GraphTokenGateway.outboundTransfer, when bridging GRT to Arbitrum, passes the caller's own address as both the submission-refund and value-refund destination for the underlying retryable ticket. This is harmless for EOA callers because Ethereum a …
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References
- https://github.com/code-423n4/2022-10-thegraph-findings/issues/294
- https://github.com/code-423n4/2022-10-thegraph-findings
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