CVE-2023-26488

MEDIUM

OpenZeppelin Contracts - Info Disclosure

Title source: llm

Description

OpenZeppelin Contracts is a library for secure smart contract development. The ERC721Consecutive contract designed for minting NFTs in batches does not update balances when a batch has size 1 and consists of a single token. Subsequent transfers from the receiver of that token may overflow the balance as reported by `balanceOf`. The issue exclusively presents with batches of size 1. The issue has been patched in 4.8.2.

References (3)

[Patch] https://github.com/OpenZeppelin/openzeppelin-contracts/commit/167bf67ed3907f4a674043496019fa346cee7705

View Patch ZIP pw:eip

[Release Notes] https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.8.2

[Third Party Advisory] https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-878m-3g6q-594q

Scores

CVSS v3 6.5

EPSS 0.0039

EPSS Percentile 59.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Classification

CWE

CWE-682

Status published

Affected Products (4)

openzeppelin/contracts < 4.8.2

openzeppelin/contracts_upgradeable < 4.8.2

openzeppelin/contracts < 4.8.2npm

openzeppelin/contracts-upgradeable < 4.8.2npm

Timeline

Published Mar 03, 2023

Tracked Since Feb 18, 2026