Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2026-45736

Use of Uninitialized Resource

Published: May 15, 2026 | Modified: Jul 22, 2026
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
RedHat/V2
RedHat/V3
7.5 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-45736
CWEhttps://cwe.mitre.org/data/definitions/908.html

ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.

Weakness

The product uses or accesses a resource that has not been initialized.

Affected Software

NameVendorStart VersionEnd Version
WsWs_project8.0.0 (including)8.20.1 (excluding)
Red Hat Ansible Automation Platform 2.6RedHatansible-automation-platform-26/gateway-rhel9:1782761510*
Red Hat Developer Hub 1.10RedHatrhdh/rhdh-hub-rhel9:1783448184*
Red Hat Developer Hub 1.9RedHatrhdh/rhdh-hub-rhel9:1782761244*
Red Hat Discovery 2RedHatdiscovery/discovery-ui-rhel9:1782166952*
Red Hat Hardened ImagesRedHatdotnet10-0-main-10.0.109-1.hum1*
Red Hat Hardened ImagesRedHatdotnet8-0-main-8.0.128-1.hum1*
Red Hat Hardened ImagesRedHatdotnet9-0-main-9.0.118-1.hum1*
Red Hat Hardened ImagesRedHatyarnpkg-main-1.22.22-18.1.hum1*
Red Hat Migration Toolkit 1.8RedHatrhmtc/openshift-migration-ui-rhel8:1783690532*
Red Hat OpenShift Container Platform 4.21RedHatopenshift4/ose-monitoring-plugin-rhel9:1784127553*
Red Hat OpenShift Container Platform 4.22RedHatopenshift4/ose-monitoring-plugin-rhel9:1784144936*
Red Hat OpenShift Dev Spaces 3.29RedHatdevspaces/code-rhel9:1782498475*
Red Hat OpenShift Dev Spaces 3.29RedHatdevspaces/dashboard-rhel9:1782498792*
Red Hat Trusted Artifact Signer 1.4RedHatrhtas/rekor-search-ui-rhel9:1783327185*
Node-wsUbuntuquesting*
Node-wsUbuntuupstream*

Potential Mitigations

References

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