CVE-2026-48619

nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames

Published Jun 26, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client.

This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6517-1 nodejs security update
History
Type Values Removed Values Added
Title Node.js HTTP/2 Client Unlimited ORIGIN Frames Cause Out of Memory nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames
Weaknesses CWE-770
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nodejs
Nodejs nodejs
Vendors & Products Nodejs
Nodejs nodejs
Type Values Removed Values Added
Title Node.js HTTP/2 Client Unlimited ORIGIN Frames Cause Out of Memory
Type Values Removed Values Added
Description A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
Weaknesses CWE-400
References
Metrics cvssV3_0

{'score': 5.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Jun 26, 2026, 3:01 PM
Reserved
May 22, 2026, 3:00 PM
Status
Analyzed
Published
Jun 26, 2026, 2:16 AM
Modified
Oct 25, 2026, 10:10 PM
Severity
Moderate
Public date
Jun 26, 2026, 1:14 AM