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CVE-2023-26488

MEDIUM
Published 2023-03-03T21:08:34.886Z
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CVSS Score

V3.1
6.5
/10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.233
Higher than 23.3% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
HIGH
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

OpenZeppelin

openzeppelin-contracts

Affected Versions:

>= 4.8.0, < 4.8.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

OpenZeppelin Contracts contains Incorrect Calculation

GHSA-878m-3g6q-594q

Advisory Details

### Impact 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. ### Patches The issue has been patched in 4.8.2. <!-- ### References -->

Affected Packages

npm @openzeppelin/contracts
ECOSYSTEM: ≥4.8.0 <4.8.2
npm @openzeppelin/contracts-upgradeable
ECOSYSTEM: ≥4.8.0 <4.8.2

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

WEB https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-878m-3g6q-594q
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-26488
WEB https://github.com/OpenZeppelin/openzeppelin-contracts/commit/167bf67ed3907f4a674043496019fa346cee7705
PACKAGE https://github.com/OpenZeppelin/openzeppelin-contracts
WEB https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.8.2

Advisory provided by GitHub Security Advisory Database. Published: March 3, 2023, Modified: March 10, 2023

References

https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-878m-3g6q-594q
https://github.com/OpenZeppelin/openzeppelin-contracts/commit/167bf67ed3907f4a674043496019fa346cee7705
https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.8.2
Published: 2023-03-03T21:08:34.886Z
Last Modified: 2025-02-25T15:02:45.293Z
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