A flaw in Node.js WebCrypto implementation can crash the process if the input of `subtle.encrypt()` is a multiple of 2GiB. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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Vendors Products
References
Link Providers
https://nodejs.org/en/blog/vulnerability/june-2026-security-releases cve-icon
History

Fri, 26 Jun 2026 03:45:00 +0000

Type Values Removed Values Added
Title Node.js WebCrypto Subtle.encrypt Integer Overflow Crash

Fri, 26 Jun 2026 01:30:00 +0000

Type Values Removed Values Added
Description A flaw in Node.js WebCrypto implementation can crash the process if the input of `subtle.encrypt()` is a multiple of 2GiB. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
Weaknesses CWE-190
References
Metrics cvssV3_0

{'score': 7.5, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-06-26T01:14:36.823Z

Reserved: 2026-05-26T15:00:06.427Z

Link: CVE-2026-48933

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

Updated: 2026-06-26T03:30:07Z