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@openzeppelin/contracts-upgradeable (npm) · Teire

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@openzeppelin/contracts-upgradeable

npm

latest 5.6.1 · 2026-02-27www.npmjs.com · all 80 versions

Security advisories6

@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts's governor proposal creation may be blocked by frontrunningfixed in 4.9.1
@openzeppelin/contracts-upgradeable: GovernorCompatibilityBravo may trim proposal calldatafixed in 4.8.3
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts base64 encoding may read from potentially dirty memoryfixed in 5.0.2, 4.9.6
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts vulnerable to Improper Escaping of Outputfixed in 4.9.3
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts TransparentUpgradeableProxy clashing selector calls may not be delegatedfixed in 4.8.3
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts using MerkleProof multiproofs may allow proving arbitrary leaves for specific treesfixed in 4.9.2

Versions that change something

4.8.32023-04fixes 2 advisories
4.9.12023-06fixes 1 advisory
4.9.22023-06fixes 1 advisory
4.9.32023-07fixes 1 advisory

4.9.6

2024-02

fixes 1 advisory

5.0.22024-02fixes 1 advisory