CVE-2026-48933

Published: Jun 26, 2026Modified: Jul 21, 2026

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: support@hackerone.com (Secondary)

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**.

Affected (3)

Products: Nodejs: Node.js

Nodejs

1 product

Node.js

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Nodejs Node.js	Version 22.22.3
Nodejs Node.js	Version 24.16.0
Nodejs Node.js	Version 26.3.0

Related CWEs

CWE-190

Integer Overflow or Wraparound

The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

CWE-770

Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (16)

https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

Source: support@hackerone.com

PatchVendor Advisory

https://access.redhat.com/errata/RHSA-2026:28727