CVE-2026-48937

HighCVSS 7.5/10Last modified Oct 25, 2026

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**.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
nodejs	node	>= 22.22.3, <= 22.22.3; >= 24.16.0, <= 24.16.0

References

https://hackerone.com/reports/3658225Issue Tracking, Third Party Advisory
https://nodejs.org/en/blog/vulnerability/june-2026-security-releasesPatch, Vendor Advisory

Timeline

Published: Jun 18, 2026
Last modified: Oct 25, 2026
NVD status: Analyzed

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