Medium severity6.5NVD Advisory· Published Mar 3, 2023· Updated Jun 17, 2026
CVE-2023-26488
CVE-2023-26488
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@openzeppelin/contractsnpm | >= 4.8.0, < 4.8.2 | 4.8.2 |
@openzeppelin/contracts-upgradeablenpm | >= 4.8.0, < 4.8.2 | 4.8.2 |
Affected products
3- ghsa-coords2 versions
>= 4.8.0, < 4.8.2+ 1 more
- (no CPE)range: >= 4.8.0, < 4.8.2
- (no CPE)range: >= 4.8.0, < 4.8.2
- Range: >= 4.8.0, < 4.8.2
Patches
Vulnerability mechanics
References
5- github.com/OpenZeppelin/openzeppelin-contracts/commit/167bf67ed3907f4a674043496019fa346cee7705nvdPatchWEB
- github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-878m-3g6q-594qnvdThird Party AdvisoryWEB
- github.com/advisories/GHSA-878m-3g6q-594qghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2023-26488ghsaADVISORY
- github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.8.2nvdRelease NotesWEB
News mentions
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