Deep analysis of the flaw in BetterBank reward logic

Executive summary From August 26 to 27, 2025, BetterBank, a decentralized finance DeFi protocol operating on the PulseChain network, fell victim to a sophisticated exploit involving liquidity manipulation and reward minting. The attack resulted in an initial loss of approximately $5 million in...

EUVD-2020-3403

Malware in sbrugna...

EUVD-2024-1080

Malicious code in bioql PyPI...

EUVD-2023-46895

Malicious code in bioql PyPI...

EUVD-2023-0941

Malicious code in bioql PyPI...

CVE-2023-26488

OpenZeppelin Contracts is a library for secure smart contract development. The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the...

CVE-2023-42449

Hydra is the two-layer scalability solution for Cardano. Prior to version 0.13.0, it is possible for a malicious head initializer to extract one or more PTs for the head they are initializing due to incorrect data validation logic in the head token minting policy which then results in an flawed...

AI-Based Vulnerability Analysis of NFT Smart Contracts

With the rapid growth of the NFT market, the security of smart contracts has become crucial. However, existing AI-based detection models for NFT contract vulnerabilities remain limited due to their complexity, while traditional manual methods are time-consuming and costly. This study proposes an...

CVE-2024-32644

Evmos is a scalable, high-throughput Proof-of-Stake EVM blockchain that is fully compatible and interoperable with Ethereum. Prior to 17.0.0, there is a way to mint arbitrary tokens due to the possibility to have two different states not in sync during the execution of a transaction. The exploit ...

Malicious code in basic-preset-minting (npm)

--- -= Per source details. Do not edit below this line.=- Source: ghsa-malware 33b65f9b8e24a04584f5798fc805e84fb63d5891a9b9db633e13c05d4db2feb7 Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be...

PT-2024-27337 · Evmos · Evmos

Name of the Vulnerable Software and Affected Versions: Evmos versions prior to V18.1.0 Description: The issue is related to liquid staking using Safe, which is a contract. The bug appears when there is a local state change together with an ICS20 transfer in the same function, and it uses the...

Improper Synchronisation

https://github.com/evmos/evmos/ is vulnerable to Improper Synchronisation. The vulnerability is due to a lack of synchronization between two states during transaction execution, allowing for arbitrary token minting. This exploit occurs because the stateDB.Commit method updates the Cosmos SDK...

CVE-2024-32644

Evmos is a scalable, high-throughput Proof-of-Stake EVM blockchain that is fully compatible and interoperable with Ethereum. Prior to 17.0.0, there is a way to mint arbitrary tokens due to the possibility to have two different states not in sync during the execution of a transaction. The exploit ...

CVE-2024-32644 Evmos' transaction execution not accounting for all state transition after interaction with precompiles

Evmos is a scalable, high-throughput Proof-of-Stake EVM blockchain that is fully compatible and interoperable with Ethereum. Prior to 17.0.0, there is a way to mint arbitrary tokens due to the possibility to have two different states not in sync during the execution of a transaction. The exploit ...

CVE-2024-32644 Evmos' transaction execution not accounting for all state transition after interaction with precompiles

Evmos is a scalable, high-throughput Proof-of-Stake EVM blockchain that is fully compatible and interoperable with Ethereum. Prior to 17.0.0, there is a way to mint arbitrary tokens due to the possibility to have two different states not in sync during the execution of a transaction. The exploit ...

Upgraded Q -> 3 from #146 [1706014097180]

Judge has assessed an item in Issue 146 as 3 risk. The relevant finding follows: L-6: OLAS minting via treasury is not guaranteed The OLAS.mint… method does not revert if the requested amount cannot be limited due to the inflation limit: function mintaddress account, uint256 amount external //...

Error Handling and Consistency in '_settleAuction' Function

Lines of code Vulnerability details Potential Risk: The 'settleAuction' function is responsible for settling an auction by finalizing the bid and handling payouts to various parties. It performs several operations and interactions with external contracts. However, the function lacks proper error...

Error Handling in '_createAuction' Function

Lines of code Vulnerability details Potential Risk: The 'createAuction' function attempts to mint a new Verb by calling the 'verbs.mint' function. However, it lacks proper error handling for the minting process. If the minting operation fails e.g., due to insufficient gas or other reasons, the...

Reentrancy in NextGenMinterContract.mint() allows exceeding max allowance and concurrent use of NFTs in NextGenMinterContract.burnToMint()

Lines of code Vulnerability details Impact 1. Bypassing maxAllowance in NextGenMinterContract.mint: Enables minting more NFTs than permitted. 2. Exploiting reentrancy in NextGenMinterContract.burnToMint: Allows acquiring both burnable and mintable NFTs at the same time. Proof of Concept The 1st...

An attacker can mint more than they are allowed due to MinterContract.sol#mint() reentrancy vulnerability

Lines of code Vulnerability details Bug Description mintProcessing in NextGenCore.sol calls OpenZeppelin’s safeMint from their ERC721 contract to mint a token. safeMint checks if the target address is a contract by calling checkOnERC721Received to ensure it supports receiving NFTs. If the target...