Out of Memory Vulnerability in Node.js HTTP/2 Client Affects Multiple Versions
CVE-2026-48619

5.3MEDIUM

Key Information:

Vendor

Nodejs

Status
Vendor
CVE Published:
26 June 2026

What is CVE-2026-48619?

A vulnerability in the Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, potentially resulting in an Out of Memory error on the client side. This issue impacts all currently supported versions of Node.js, specifically Node.js 22, 24, and 26, highlighting the importance of updating to mitigate the risk of service disruption.

Affected Version(s)

node 22.22.3

node 24.16.0

node 26.3.0

References

CVSS V3.0

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.