What is CVE-2026-48937?

CVE-2026-48937 is a medium-severity vulnerability in Nodejs Node, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-06-18.

How severe is CVE-2026-48937?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Nodejs Node

CVE-2026-48937

A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This vulnerability affects two supported release lines: **Node.js 22** and **Node.js 24**.

Vulnerability class: DoS (Denial of Service)

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Nodejs Node — versions 22.22.3, 24.16.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

support@hackerone.com
support@hackerone.com

Frequently asked questions

What is CVE-2026-48937?: CVE-2026-48937 is a medium-severity vulnerability in Nodejs Node, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2026-06-18.
How severe is CVE-2026-48937?: Medium severity. CVSS v3 base score is 5.3 out of 10.