EUVD-2026-84805

mppx is a TypeScript interface for machine payments protocol. Prior to 0.8.2, FeePayerPolicy in src/tempo/internal/fee-payer.ts used decodeFunctionData to validate fee-sponsored calldata but did not reject trailing bytes. A client could append nonzero padding that increased intrinsic calldata gas...

Upgraded Q -> M from 91 [1655579814367]

Judge has assessed an item in Issue 91 as Medium risk. The relevant finding follows: use call instead of send affected code: Use of transfer might render ETH impossible to withdraw because after istanbul hardfork , there is increases in the gas cost of the SLOAD operation and therefore breaks som...