Improper Synchronization

Overview Affected versions of this package are vulnerable to Improper Synchronization through the bridgeOut precompile. An attacker can restore their ERC-20 token balance and allowance after a burn operation by exploiting stale state overwrites in the dual-context state management, enabling...

Improper Synchronization

Overview Affected versions of this package are vulnerable to Improper Synchronization through the bridgeOut precompile. An attacker can restore their ERC-20 token balance and allowance after a burn operation by exploiting stale state overwrites in the dual-context state management, enabling...

Improper Synchronization

Overview Affected versions of this package are vulnerable to Improper Synchronization through the bridgeOut precompile. An attacker can restore their ERC-20 token balance and allowance after a burn operation by exploiting stale state overwrites in the dual-context state management, enabling...

PT-2026-41477

Note: the fixed version of the validator client has been deployed for some time. Impact Potential full drain of L1 bridge without changing bridged balance on Mezo. Brief/Intro A malicious user can steal all ERC-20 tokens locked in the L1 bridge by repeatedly calling the bridgeOut precompile from ...

Optimistic bridging pattern, can lead to bridge exploitation

Lines of code Vulnerability details Impact Zero deposit Bridging. Wherease users can fake the depositing process but can mint multiple tokens in the destination chain. The bridging is optimistic, whereas the validation restricts to just checking the function selector and a no-error pattern, this...