What is CVE-2026-48619?

CVE-2026-48619 is a high-severity vulnerability in Nodejs Node, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-26.

How severe is CVE-2026-48619?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Nodejs Node

CVE-2026-48619

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…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.005 (39.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Nodejs Node — versions 22.22.3, 24.16.0, 26.3.0
Nodejs Node.js — versions 22.22.3, 24.16.0, 26.3.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

support@hackerone.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-48619?: CVE-2026-48619 is a high-severity vulnerability in Nodejs Node, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2026-06-26.
How severe is CVE-2026-48619?: High severity. CVSS v3 base score is 7.5 out of 10.