mediumAccess controlEVM-Solidity
The Graph: Initialize function in `L2GraphToken.sol`, `BridgeEscrow.sol`, `L2GraphTokenGateway.sol`, `L1GraphTokenGateway.sol` can be invoked multiple times from the implementation contract
- Payout
- $0
- Protocol
- The Graph
- Disclosed
- Aug 7, 2026
- Source
- code4rena
The Graph's upgradeable proxy contracts — L1GraphTokenGateway, L2GraphTokenGateway, L2GraphToken, and BridgeEscrow — expose initialize functions protected only by an onlyImpl modifier rather than OpenZeppelin's initializer guard. If the implementation is ever …
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References
- https://github.com/code-423n4/2022-10-thegraph-findings/issues/149
- https://github.com/code-423n4/2022-10-thegraph-findings
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