Improper Resource Shutdown or Release in Node.js - CVE-2026-48937
Published: June 22, 2026
Vulnerability identifier: #VU135019
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-48937
CWE-ID: CWE-404
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Node.js Foundation
Affected software:
Node.js
Node.js
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper resource management in the HTTP/2 server API when handling invalid protocol errors after sending a GOAWAY frame. A remote attacker can continue sending data to cause a denial of service.
How to mitigate CVE-2026-48937
Install security update from vendor's website.