CVE-2026-63627: Improper Input Validation

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...

CVE-2026-59695

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet in a single request by naming an arbitrarily high gas price. When the mpp Elixir library is configured as fee payer feepayer: true,...

CVE-2026-59695 Unbounded max_fee_per_gas in mpp Tempo fee-payer enables single-request wallet drain

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet in a single request by naming an arbitrarily high gas price. When the mpp Elixir library is configured as fee payer feepayer: true,...

CVE-2026-59695

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet in a single request by naming an arbitrarily high gas price. When the mpp Elixir library is configured as fee payer feepayer: true,...

CVE-2026-59695 Unbounded max_fee_per_gas in mpp Tempo fee-payer enables single-request wallet drain

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet in a single request by naming an arbitrarily high gas price. When the mpp Elixir library is configured as fee payer feepayer: true,...

CVE-2026-59695 Unbounded max_fee_per_gas in mpp Tempo fee-payer enables single-request wallet drain

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to drain the fee-payer wallet in a single request by naming an arbitrarily high gas price. When the mpp Elixir library is configured as fee payer feepayer: true,...

CVE-2026-59695

Vulnerability summary (CVE-2026-59695). The ZenHive mpp Elixir library, when configured as a fee payer (fee_payer: true), is vulnerable to an unauthenticated remote client that can drain the fee-payer wallet in a single request. The root cause is improper validation in MPP.Tempo.Transaction.cosig...

PT-2026-60736

Name of the Vulnerable Software and Affected Versions mpp versions 0.2.0 through 0.5.9 Description Improper validation of input quantities allows an unauthenticated remote client to drain the fee-payer wallet in a single request by specifying an arbitrarily high gas price. When the library is...

EUVD-2025-22951

Malicious code in bioql PyPI...

CVE-2025-54427

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The extrinsic notemingaspricetarget is an inherent extrinsic, meaning only the block producer can call it. To ensure correctness, the ProvideInherent trait should be implemented for each inherent, which...

CVE-2025-54427

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The extrinsic notemingaspricetarget is an inherent extrinsic, meaning only the block producer can call it. To ensure correctness, the ProvideInherent trait should be implemented for each inherent, which...

CVE-2025-54427 Polkadot Frontier contains missing `check_inherent` for `note_min_gas_price_target` inflates gas price

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The extrinsic notemingaspricetarget is an inherent extrinsic, meaning only the block producer can call it. To ensure correctness, the ProvideInherent trait should be implemented for each inherent, which...

CVE-2025-54427

CVE-2025-54427 (Polkadot Frontier) : The vulnerability affects Polkadot Frontier’s note_min_gas_price_target intrinsic. Before commit a754b3d, the check_inherent function was not implemented, allowing the block producer to set the target gas price without verification. This input drives MinGasPri...

CVE-2025-54427 Polkadot Frontier contains missing `check_inherent` for `note_min_gas_price_target` inflates gas price

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The extrinsic notemingaspricetarget is an inherent extrinsic, meaning only the block producer can call it. To ensure correctness, the ProvideInherent trait should be implemented for each inherent, which...

CVE-2025-54427 Polkadot Frontier contains missing `check_inherent` for `note_min_gas_price_target` inflates gas price

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The extrinsic notemingaspricetarget is an inherent extrinsic, meaning only the block producer can call it. To ensure correctness, the ProvideInherent trait should be implemented for each inherent, which...

PT-2025-31152 · Parity Technologies · Polkadot Frontier

Name of the Vulnerable Software and Affected Versions: Polkadot Frontier versions prior to a754b3d Description: Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. The note min gas price target extrinsic is an inherent extrinsic, callable only by the block...

Polkadot Frontier 代码问题漏洞

Polkadot Frontier is a Polkadot EVM open source application that provides an Ether VM compatibility layer. A code issue vulnerability exists in previous versions of Polkadot Frontier a754b3d that stems from an unimplemented checkinherent function of notemingaspricetarget, which could lead to Gas...

Unraveling Ethereum'S Mempool: the Impact of Fee Fairness, Transaction Prioritization, and Consensus Efficiency

Ethereum's transaction pool mempool dynamics and fee market efficiency critically affect transaction inclusion, validator workload, and overall network performance. This research empirically analyzes gas price variations, mempool clearance rates, and block finalization times in Ethereum's...

CVE-2022-23327

A design flaw in Go-Ethereum 1.10.12 and older versions allows an attacker node to send 5120 future transactions with a high gas price in one message, which can purge all of pending transactions in a victim node's memory pool, causing a denial of service DoS...

Front-Running Vulnerability: Exploiting Reward Updates for Maximized Payouts

Lines of code Vulnerability details Impact Malicious users claim rewards at a higher rate than what was intended by front-running governance actions meant to reduce rewards. This allows them to claim rewards at a higher rate than what was intended, undermining the protocol's intended economic...