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OpenZeppelin OpenZeppelin Confidential ContractsOpenZeppelin Confidential Contracts ERC7984ERC20Wrapper: once a wrapper is filled, subsequent wrap requests do not revert and result in loss of funds.

Risk 44
First published (updated )
CVE-2026-73645

OpenZeppelin ContractsOpenZeppelin Contracts's Bytes's lastIndexOf function with position argument performs out-of-bound memory access on empty buffers

Risk 41
Severity
6.9
First published (updated )
CVE-2025-54070

OpenZeppelin Contracts CairoOwnableTwoStep allows a pending owner to accept ownership after the original owner has renounced ownership in cairo-contracts

Risk 38
Severity
6.5
First published (updated )
CVE-2024-45304

npm/@openzeppelin/contracts-upgradeableOpenZeppelin Contracts base64 encoding may read from potentially dirty memory

Risk 42
Severity
7.4
EPSS
0.04%
First published (updated )
CVE-2024-27094

npm/@openzeppelin/contracts-upgradeableDuplicated execution of subcalls in OpenZeppelin Contracts

Risk 44
Severity
7.5
First published (updated )
CVE-2023-49798
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BleepingComputerMultiple NFT collections at risk by flaw in open-source library

First published (updated )
News
BleepingComputer

npm/@openzeppelin/contracts-upgradeableOpenZeppelin Contracts's ERC2771Context with custom forwarder may lead to zero-valued _msgSender

Risk 27
Severity
5.3
First published (updated )
CVE-2023-40014

npm/@openzeppelin/contracts-upgradeableOpenZeppelin Contracts's MerkleProof multiproofs may allow proving arbitrary leaves for specific trees

Risk 36
Severity
5.9
First published (updated )
CVE-2023-34459

npm/@openzeppelin/contracts-upgradeableGovernor proposal creation may be blocked by frontrunning in OpenZeppelin

Risk 27
Severity
5.3
First published (updated )
CVE-2023-34234

npm/@openzeppelin/contracts-upgradeableTransparentUpgradeableProxy clashing selector calls may not be delegated in @openzeppelin/contracts

Risk 27
Severity
5.3
First published (updated )
CVE-2023-30541
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OpenZeppelin Contracts Node.jsGovernorCompatibilityBravo may trim proposal calldata

Risk 79
Severity
8.8
First published (updated )
CVE-2023-30542

OpenZeppelin Contracts Node.jsOpenZeppelin Contracts contains Incorrect Calculation

Risk 38
Severity
6.5
First published (updated )
CVE-2023-26488

pip/openzeppelin-cairo-contractsOpenZeppelin Contracts for Cairo is vulnerable to signature validation bypass

Risk 53
Severity
6.4
First published (updated )
CVE-2023-23940

OpenZeppelin Contracts Node.jsOpenZeppelin Contracts initializer reentrancy may lead to double initialization

Risk 42
Severity
5.6
First published (updated )
CVE-2022-39384

OpenZeppelin Contracts Node.jsECDSA signature malleability in OpenZeppelin Contracts

Risk 63
Severity
7.9
First published (updated )
CVE-2022-35961
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npm/openzeppelin-ethUnbounded gas consumption in @openzeppelin/contracts

Risk 27
Severity
5.3
First published (updated )
CVE-2022-35915

OpenZeppelin Contracts Node.jsCross chain utilities for Arbitrum L2 see EOA calls as cross chain calls

Risk 27
Severity
5.3
First published (updated )
CVE-2022-35916

OpenZeppelin Contracts Node.jsGovernorVotesQuorumFraction updates to quorum may affect past defeated proposals in @openzeppelin/contracts

Risk 43
Severity
7.5
First published (updated )
CVE-2022-31198

OpenZeppelin Contracts Node.jsOpenZeppelin Contracts's ERC165Checker may revert instead of returning false

Risk 43
Severity
7.5
First published (updated )
CVE-2022-31170

OpenZeppelin Contracts Node.jsOpenZeppelin Contracts's SignatureChecker may revert on invalid EIP-1271 signers

Risk 43
Severity
7.5
First published (updated )
CVE-2022-31172
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pip/openzeppelin-cairo-contractsOpenZeppelin Contracts for Cairo account cannot process transactions on Goerli

Risk 39
Severity
6.5
First published (updated )
CVE-2022-31153

OpenZeppelin OpenZeppelinIn OpenZeppelin <=v4.4.0, initializer functions that are invoked separate from contract creation (th…

Risk 43
Severity
7.5
First published (updated )
CVE-2021-46320

OpenZeppelin Contracts Node.jsUUPSUpgradeable vulnerability in OpenZeppelin Contracts

Risk 86
Severity
9.8
First published (updated )
CVE-2021-41264

OpenZeppelin Contracts Node.jsTimelockController vulnerability in OpenZeppelin Contracts

Risk 87
Severity
10
First published (updated )
CVE-2021-39167

OpenZeppelin Contracts Node.jsTimelockController vulnerability in OpenZeppelin Contracts

Risk 87
Severity
10
First published (updated )
CVE-2021-39168
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