CVE-2026-48937 | A flaw in Node.js HTTP/2 server API can cause servers to kee… | CVSS 5.3 MEDIUM

Description

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**.

Metadata

CVE ID: CVE-2026-48937
State: PUBLISHED
Assigner: hackerone
Reserved: 2026-05-26 15:00 UTC
Published: 2026-06-18 18:01 UTC
Last updated: 2026-06-18 18:44 UTC
Primary CWE: CWE-400
CWE-400 Uncontrolled Resource Consumption
Vendor / Product: nodejs / node
Sources: cve.org · NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.0

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
nodejs	node	—	22.22.3 ≤ 22.22.3, 24.16.0 ≤ 24.16.0

Weakness (CWE)

CWE	Source	Description
CWE-400	cna	CWE-400 Uncontrolled Resource Consumption

CVSS scores (1)

Score	Severity	Version	Source	Vector
5.3	MEDIUM	3.0	cna	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References (2)