Resource exhaustion in Node.js 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**, and **Node.js 26**.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.006 (48.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-48619: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-48619?
CVE-2026-48619 is a high-severity vulnerability in Node.js 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.