High severity7.5NVD Advisory· Published Jun 18, 2026· Updated Aug 18, 2026

CVE-2026-48937

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Node.js/Node.js2 versions
cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*+ 1 more
- cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*range: >=22.0,<22.23.0
- (no CPE)range: 22, 24
osv-coords5 versions
pkg:bitnami/node pkg:bitnami/node-min pkg:rpm/opensuse/nodejs22&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/nodejs24&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/nodejs24&distro=openSUSE%20Tumbleweed
< 22.23.0+ 4 more
- (no CPE)range: < 22.23.0
- (no CPE)range: < 22.23.0
- (no CPE)range: < 22.23.0-160000.1.1
- (no CPE)range: < 24.18.0-160000.1.1
- (no CPE)range: < 24.17.0-1.1

Patches

Vulnerability mechanics

References

nodejs.org/en/blog/vulnerability/june-2026-security-releasesnvdPatchVendor Advisory
hackerone.com/reports/3658225nvdIssue TrackingThird Party Advisory

News mentions

Node.js Fixes 12 Vulnerabilities, Including 2 High-Severity Authentication Bypasses
Cyber Security News · Jun 19, 2026

cvss	0.488
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000