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@openzeppelin/contracts-upgradeable
npm
latest
5.6.1
· 2026-02-27
www.npmjs.com · all 80 versions
Security advisories
6
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts's governor proposal creation may be blocked by frontrunning
fixed in 4.9.1
@openzeppelin/contracts-upgradeable: GovernorCompatibilityBravo may trim proposal calldata
fixed in 4.8.3
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts base64 encoding may read from potentially dirty memory
fixed in 5.0.2, 4.9.6
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts vulnerable to Improper Escaping of Output
fixed in 4.9.3
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts TransparentUpgradeableProxy clashing selector calls may not be delegated
fixed in 4.8.3
@openzeppelin/contracts-upgradeable: OpenZeppelin Contracts using MerkleProof multiproofs may allow proving arbitrary leaves for specific trees
fixed in 4.9.2
Versions that change something
4.8.3
2023-04
fixes 2 advisories
4.9.1
2023-06
fixes 1 advisory
4.9.2
2023-06
fixes 1 advisory
4.9.3
2023-07
fixes 1 advisory
4.9.6
2024-02
fixes 1 advisory
5.0.2
2024-02
fixes 1 advisory