Improper Resource Shutdown or Release in Node.js - CVE-2026-48937

Vulnerability identifier: #VU135019

CSH Severity: Medium

CVSS v4: 6.9 [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]

CVE-ID: CVE-2026-48937

CWE-ID: CWE-404

Exploitation vector: Remote access

Exploit availability: No public exploit available

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.

Node.js
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
openSUSE Leap
Anolis OS
nodejs-npm
v8-12.4-devel
nodejs18-docs
nodejs18-debugsource
nodejs18-debuginfo
nodejs18
npm18
nodejs18-devel
corepack18
nodejs
nodejs-docs
nodejs-libs
nodejs-full-i18n
nodejs-devel

Install security update from vendor's website.

Node.js - addressed in versions 22.23.0, 24.17.0, 26.3.1
nodejs-npm - update to 10.9.8-1.22.23.0.1
v8-12.4-devel - update to 12.4.254.21-1.22.23.0.1
nodejs18-docs - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
nodejs18-debugsource - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
nodejs18-debuginfo - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
nodejs18 - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
npm18 - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
nodejs18-devel - addressed in versions 18.20.8-8.44.1, 18.20.8-150400.9.39.1
corepack18 - update to 18.20.8-150400.9.39.1
nodejs - update to 22.23.0-1
nodejs-docs - update to 22.23.0-1
nodejs-libs - update to 22.23.0-1
nodejs-full-i18n - update to 22.23.0-1
nodejs-devel - update to 22.23.0-1

• https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

• Multiple vulnerabilities in Node.js
• Anolis OS update for nodejs
• SUSE update for nodejs18
• SUSE update for nodejs18