Multi-Agent Collaborative Fuzzing with Continuous Reflection for Smart Contracts Vulnerability Detection

Fuzzing is a widely used technique for detecting vulnerabilities in smart contracts, which generates transaction sequences to explore the execution paths of smart contracts. However, existing fuzzers are falling short in detecting sophisticated vulnerabilities that require specific attack...

One Signature, Multiple Payments: Demystifying and Detecting Signature Replay Vulnerabilities in Smart Contracts

Smart contracts have significantly advanced blockchain technology, and digital signatures are crucial for reliable verification of contract authority. Through signature verification, smart contracts can ensure that signers possess the required permissions, thus enhancing security and scalability...

North Korean Hackers Use EtherHiding to Hide Malware Inside Blockchain Smart Contracts

A threat actor with ties to the Democratic People's Republic of Korea aka North Korea has been observed leveraging the EtherHiding technique to distribute malware and enable cryptocurrency theft, marking the first time a state-sponsored hacking group has embraced the method. The activity has been...

EUVD-2018-0118

Malware in sbrugna...

Security Analysis of Ponzi Schemes in Ethereum Smart Contracts

The rapid advancement of blockchain technology has precipitated the widespread adoption of Ethereum and smart contracts across a variety of sectors. However, this has also given rise to numerous fraudulent activities, with many speculators embedding Ponzi schemes within smart contracts, resulting...

EUVD-2025-29423

Malicious code in bioql PyPI...

EUVD-2023-1743

Malicious code in bioql PyPI...

EUVD-2022-6882

Malicious code in bioql PyPI...

EUVD-2023-0263

Malicious code in bioql PyPI...

EUVD-2023-0270

Malicious code in bioql PyPI...

Malicious npm Packages Exploit Ethereum Smart Contracts to Target Crypto Developers

Cybersecurity researchers have discovered two new malicious packages on the npm registry that make use of smart contracts for the Ethereum blockchain to carry out malicious actions on compromised systems, signaling the trend of threat actors constantly on the lookout for new ways to distribute...

Malicious code in flare-smart-contracts (npm)

The package flare-smart-contracts was found to contain malicious code...

MAL-2025-20672 Malicious code in flare-smart-contracts (npm)

The package flare-smart-contracts was found to contain malicious code...

MAL-2025-27396 Malicious code in nexo-solidity-smart-contracts (npm)

The package nexo-solidity-smart-contracts was found to contain malicious code...

The Dark Side of Upgrades: Uncovering Security Risks in Smart Contract Upgrades

Smart contract upgrades are increasingly common due to their flexibility in modifying deployed contracts, such as fixing bugs or adding new functionalities. Meanwhile, upgrades compromise the immutability of contracts, introducing significant security concerns. While existing research has explore...

CVE-2025-54429

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. There are various account address types in Frontier, e.g. precompiled contracts, smart contracts, and externally owned accounts. Some EVM mechanisms should be unreachable by certain types of accounts for...

Malware in axr-smart-contracts

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outsid...

Malicious Package

Overview axr-smart-contracts is a malicious package. This package contains malicious code, and its content was removed from the official package manager. While this package might be attempting to impersonate a valid organization, there is no connection between that organization and this package...

Program Analysis for High-Value Smart Contract Vulnerabilities: Techniques

A widespread belief in the blockchain security community is that automated techniques are only good for detecting shallow bugs, typically of small value. In this paper, we present the techniques and insights that have led us to repeatable success in automatically discovering high-value smart...

CVE-2025-54429 Polkadot Frontier's constructing smart contract can bypass precompile address bounding

Polkadot Frontier is an Ethereum and EVM compatibility layer for Polkadot and Substrate. There are various account address types in Frontier, e.g. precompiled contracts, smart contracts, and externally owned accounts. Some EVM mechanisms should be unreachable by certain types of accounts for...