PT-2026-91282

OpenZeppelin Contracts Wizard is a web application to interactively build a contract out of components from OpenZeppelin Contracts. Prior to @openzeppelin/wizard 0.10.11, @openzeppelin/wizard-cairo 3.0.1, @openzeppelin/wizard-stellar 0.6.2, and @openzeppelin/wizard-stylus 0.3.1, the setInfo code...

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...

EUVD-2026-58188

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...

@zentity/fhevm-contracts (>=0.1.0, <=0.2.0) potentially affected by CVE-2026-73645 via @openzeppelin/confidential-contracts (0.3.0)

@openzeppelin/confidential-contracts NPM version 0.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on @openzeppelin/confidential-contracts and may be impacted: - @zentity/fhevm-contracts =0.1.0, =0.2.0 Source cves: CVE-2026-73645 Source advisory:...

CVE-2026-73645: Integer Overflow or Wraparound

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...

Malicious Package

Overview @openzeppelin-4/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...

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 Wizard is 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 TypeScrip...

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

OpenZeppelin Contracts Wizard is 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 TypeScrip...

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 Wizard is 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 TypeScrip...

@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: MEND:CVE-2026-48054...

CVE-2026-48054: Improper Control of Generation of Code

OpenZeppelin Contracts Wizard is 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 TypeScrip...

OpenZeppelin Contracts for Cairo account cannot process transactions on Goerli

ImpactThis 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 testin...

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...

Improper Encoding or Escaping of Output

Overview @openzeppelin/wizard-cairo is an A boilerplate generator to get started with OpenZeppelin Contracts for Cairo Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the setInfo process. An attacker can inject arbitrary lines into generated source...

Improper Encoding or Escaping of Output

Overview @openzeppelin/wizard-stylus is an A boilerplate generator to get started with OpenZeppelin Contracts for Stylus Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the setInfo process. An attacker can inject arbitrary lines into generated sourc...

Improper Encoding or Escaping of Output

Overview @openzeppelin/wizard is an A boilerplate generator to get started with OpenZeppelin Contracts Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output via the setInfo process. An attacker can inject arbitrary lines into generated source code by supplyin...

@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:...