CVE-2026-48619 — HIGH (7.5)

Vulnerability 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**.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Nodejs	Node.Js	22.22.3

Related Weaknesses (CWE)

CWE-400

References

https://nodejs.org/en/blog/vulnerability/june-2026-security-releasesPatchVendor Advisory

FAQ

What is CVE-2026-48619?

CVE-2026-48619 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 rele...

How severe is CVE-2026-48619?

CVE-2026-48619 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-48619?

Check the references section above for vendor advisories and patch information. Affected products include: Nodejs Node.Js.