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**.

CVSS 3.1

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

EPSS

0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-25)

CWE

CWE-400

Published

2026-06-18

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

Affected

• nodejs:node.js

References

• https://hackerone.com/reports/3658225
• https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

Check your stackJSON