CVE-2026-48933

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**.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://nodejs.org/en/blog/vulnerability/june-2026-security-releases	Patch Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:28727
https://access.redhat.com/errata/RHSA-2026:29012
https://access.redhat.com/errata/RHSA-2026:30172
https://access.redhat.com/errata/RHSA-2026:35841
https://access.redhat.com/errata/RHSA-2026:35842
https://access.redhat.com/errata/RHSA-2026:35891
https://access.redhat.com/errata/RHSA-2026:35892
https://access.redhat.com/errata/RHSA-2026:39246
https://access.redhat.com/errata/RHSA-2026:39868
https://access.redhat.com/errata/RHSA-2026:41947
https://access.redhat.com/errata/RHSA-2026:52399
https://access.redhat.com/errata/RHSA-2026:7378
https://access.redhat.com/errata/RHSA-2026:9455
https://access.redhat.com/security/cve/CVE-2026-48933
https://bugzilla.redhat.com/show_bug.cgi?id=2493331
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48933.json

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nodejs:node.js:22.22.3::::-:::
	cpe:2.3:a:nodejs:node.js:24.16.0::::-:::
	cpe:2.3:a:nodejs:node.js:26.3.0::::-:::

History

25 Oct 2026, 22:10

Type	Values Removed	Values Added
Summary		(es) Un fallo en la implementación de WebCrypto de Node.js puede bloquear el proceso si la entrada de “subtle.encrypt()” es un múltiplo de 2 GiB. Esta vulnerabilidad afecta a todas las líneas de versiones compatibles: Node.js 22, Node.js 24 y Node.js 26.

Information

Published : 2026-06-26 02:16

Updated : 2026-10-25 22:10

NVD link : CVE-2026-48933

Mitre link : CVE-2026-48933

CVE.ORG link : CVE-2026-48933

JSON object : View

Products Affected

nodejs

node.js

CWE

CWE-190

Integer Overflow or Wraparound

CWE-770

Allocation of Resources Without Limits or Throttling

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