CVE-2026-73645

OpenZeppelin Confidential Contracts is an experimental library for developing applications on the Zama fhEVM. Prior to 0.3.1, the ERC7984 contract tracked confidential total supply with an euint64 value, and an overflowing internal mint operation could fail silently. The wrap and onTransferReceiv...

CVE-2026-73645

OpenZeppelin Confidential Contracts ERC7984 wrapper contains a defect prior to 0.3.1 where an overflowing internal _mint on the ERC7984ERC20Wrapper could silently fail. The wrap and onTransferReceived paths did not handle this failure, allowing a user to transfer the underlying token without rece...

Malicious code in @openzeppelin-5/contracts (npm)

@openzeppelin-5/contracts is a malicious npm package published by npm account mssjeep843 that impersonates OpenZeppelin's @openzeppelin/contracts the v5 line via the look-alike scope @openzeppelin-5, falsely describing itself as a "compatibility distribution". It ships no Solidity contracts — onl...

CVE-2026-48054

OpenZeppelin Contracts Wizardis a web application to interactively build a contract out of components from OpenZeppelin Contracts. Versions prior to 0.10.9 generate a Hardhat test file test/test.ts by interpolating user-supplied opts.name ERC20/ERC721 and opts.uri ERC1155 directly into TypeScript...

CVE-2026-48054

OpenZeppelin Contracts Wizard prior to version 0.10.9 is affected by a code injection vulnerability in generated Hardhat/Foundry tests. The root cause is interpolation of user-supplied opts.name and opts.uri directly into TypeScript test files (zip-hardhat.ts:48 and :50) without escaping, enablin...

CVE-2026-48054 OpenZeppelin Contracts Wizard has Code Injection in Generated Hardhat and Foundry Tests via Unsanitized opts.name / opts.uri

OpenZeppelin Contracts Wizardis a web application to interactively build a contract out of components from OpenZeppelin Contracts. Versions prior to 0.10.9 generate a Hardhat test file test/test.ts by interpolating user-supplied opts.name ERC20/ERC721 and opts.uri ERC1155 directly into TypeScript...

PYSEC-2026-890 OpenZeppelin Contracts for Cairo account cannot process transactions on Goerli

Impact This vulnerability affects all accounts vanilla and ethereum flavors in the v0.2.0 release of OpenZeppelin Contracts for Cairo, which are not whitelisted on StarkNet mainnet, so only goerli deployments of v0.2.0 accounts are affected. This faulty behavior is not observed in StarkNet's...

@m3s/smart-contract (>=1.4.1, <=2.3.8), @openzeppelin/contracts-cli (0.1.0) +2 more potentially affected by unknown CVE via @openzeppelin/wizard-stellar (>=0.1.1, <=0.5.0)

@openzeppelin/wizard-stellar NPM version =0.1.1, =1.4.1, =0.0.5, =0.0.1, =0.0.4 Source cves: unknown CVE Source advisory: OSV:GHSA-9WXG-VF3R-56HC...

@m3s/smart-contract (>=1.4.1, <=2.3.8), @openzeppelin/contracts-mcp (>=0.0.5, <=0.4.5) +1 more potentially affected by unknown CVE via @openzeppelin/wizard-stylus (0.2.0)

@openzeppelin/wizard-stylus NPM version 0.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on @openzeppelin/wizard-stylus and may be impacted: - @m3s/smart-contract =1.4.1, =0.0.5, =0.0.1, =0.0.4 Source cves: unknown CVE Source advisory:...

@m3s/smart-contract (>=1.1.5, <=2.3.8), @openzeppelin/contracts-mcp (>=0.0.5, <=0.3.0) +11 more potentially affected by unknown CVE via @openzeppelin/wizard (>=0.1.1, <=0.10.8)

@openzeppelin/wizard NPM version =0.1.1, =1.1.5, =0.0.5, =0.0.1, =1.0.4, =0.0.1, =0.2.48, =0.2.63-a, =1.0.0, =0.0.1, =0.1.2 Source cves: unknown CVE Source advisory: OSV:GHSA-9WXG-VF3R-56HC...

@m3s/smart-contract (>=1.1.5, <=2.3.8), @openzeppelin/contracts-mcp (>=0.0.5, <=0.3.0) +11 more potentially affected by CVE-2026-57583 via @openzeppelin/wizard (>=0.1.1, <=0.10.8)

@openzeppelin/wizard NPM version =0.1.1, =1.1.5, =0.0.5, =0.0.1, =1.0.4, =0.0.1, =0.2.48, =0.2.63-a, =1.0.0, =0.0.1, =0.1.2 Source cves: CVE-2026-57583 Source advisory: SNYK:JS-OPENZEPPELINWIZARD-17817911...

@m3s/smart-contract (>=1.4.1, <=2.3.8), @openzeppelin/contracts-mcp (>=0.0.5, <=0.4.5) +1 more potentially affected by CVE-2026-57583 via @openzeppelin/wizard-stylus (0.2.0)

@openzeppelin/wizard-stylus NPM version 0.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on @openzeppelin/wizard-stylus and may be impacted: - @m3s/smart-contract =1.4.1, =0.0.5, =0.0.1, =0.0.4 Source cves: CVE-2026-57583 Source advisory:...

@m3s/smart-contract (>=1.1.5, <=2.3.8), @openzeppelin/contracts-mcp (>=0.0.5, <=0.3.0) +11 more potentially affected by CVE-2026-48054 via @openzeppelin/wizard (>=0.1.1, <=0.10.8)

@openzeppelin/wizard NPM version =0.1.1, =1.1.5, =0.0.5, =0.0.1, =1.0.4, =0.0.1, =0.2.48, =0.2.63-a, =1.0.0, =0.0.1, =0.1.2 Source cves: CVE-2026-48054 Source advisory: OSV:GHSA-4X76-22X2-RX8V...

@m3s/smart-contract (>=1.1.5, <=2.3.8), @openzeppelin/contracts-mcp (>=0.0.5, <=0.3.0) +11 more potentially affected by CVE-2026-48054 via @openzeppelin/wizard (>=0.1.1, <=0.10.8)

@openzeppelin/wizard NPM version =0.1.1, =1.1.5, =0.0.5, =0.0.1, =1.0.4, =0.0.1, =0.2.48, =0.2.63-a, =1.0.0, =0.0.1, =0.1.2 Source cves: CVE-2026-48054 Source advisory: SNYK:JS-OPENZEPPELINWIZARD-17756776...

GHSA-4X76-22X2-RX8V OpenZeppelin Contracts Wizard has Code Injection in Generated Hardhat and Foundry Tests via Unsanitized opts.name / opts.uri

Summary The OpenZeppelin Contracts Wizard generated Hardhat test/test.ts and Foundry test/.t.sol example test files that interpolated user-supplied strings opts.name, opts.uri into the test source without escaping. A crafted input could produce a generated test file in which the input string brok...

PT-2026-48690

Name of the Vulnerable Software and Affected Versions @openzeppelin/wizard versions prior to 0.10.9 Description The OpenZeppelin Contracts Wizard generates example test files for Hardhat test/test.ts and Foundry test/.t.sol that interpolate user-supplied strings opts.name and opts.uri into the te...

CVE-2023-49798

OpenZeppelin Contracts is a library for smart contract development. A merge issue when porting the 5.0.1 patch to the 4.9 branch caused a line duplication. In the version of Multicall.sol released in @openzeppelin/[email protected] and @openzeppelin/[email protected], all subcalls are...

CVE-2022-31153

OpenZeppelin Contracts for Cairo is a library for contract development written in Cairo for StarkNet, a decentralized ZK Rollup. Version 0.2.0 is vulnerable to an error that renders account contracts unusable on live networks. This issue affects all accounts vanilla and ethereum flavors in the...

CVE-2022-35915

OpenZeppelin Contracts is a library for secure smart contract development. The target contract of an EIP-165 supportsInterface query can cause unbounded gas consumption by returning a lot of data, while it is generally assumed that this operation has a bounded cost. The issue has been fixed in...

CVE-2022-35916

OpenZeppelin Contracts is a library for secure smart contract development. Contracts using the cross chain utilities for Arbitrum L2, CrossChainEnabledArbitrumL2 or LibArbitrumL2, will classify direct interactions of externally owned accounts EOAs as cross chain calls, even though they are not...