CVE-2026-48619

HIGH

A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 6/26/2026Modified: 6/26/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-48619 — A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of O...

A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

CVE-2026-48619
NIST NVD

References (1)

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