CVE-2026-42544

Granian is a Rust HTTP server for Python applications. From 1.2.0 to 2.7.4, Granian aborts a worker process when an unauthenticated client sends a WebSocket upgrade request whose Sec-WebSocket-Protocol header contains non-ASCII bytes. The crash happens in Granian's WebSocket scope construction...

ws: Uninitialized memory disclosure

Impact The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. Proof of concept js import deepStrictEqual from 'node:assert'; import WebSocket, WebSocketServer from 'ws'; const wss = new WebSocketServer port: 0,...

EUVD-2026-30543

ws: Uninitialized memory disclosure...

GHSA-58QX-3VCG-4XPX ws: Uninitialized memory disclosure

Impact The websocket.close implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. Proof of concept js import deepStrictEqual from 'node:assert'; import WebSocket, WebSocketServer from 'ws'; const wss = new WebSocketServer port: 0,...

BIT-TOMCAT-2022-25762 Response mix-up with WebSocket concurrent send and close

If a web application sends a WebSocket message concurrently with the WebSocket connection closing when running on Apache Tomcat 8.5.0 to 8.5.75 or Apache Tomcat 9.0.0 to 9.0.20, it is possible that the application will continue to use the socket after it has been closed. The error handling...

Exploit for Server-Side Request Forgery in Vercel Next.Js

CVE-2026-44578 — Next.js WebSocket Upgrade SSRF Pre-authentic...

Origin Validation Error

Dozzle is vulnerable to Origin Validation Error. The vulnerability is due to improper origin validation in the WebSocket upgrader, where connections from any origin are accepted and authenticated with the victim's JWT cookie, allowing attackers to hijack authenticated sessions and gain unauthoriz...

CVE-2026-44514

Kubetail is a real-time logging dashboard for Kubernetes. Prior to 0.14.0, Kubetail's dashboard exposes WebSocket endpoints that did not adequately validate the Origin header on connection upgrade. A malicious web page visited by a user with an active Kubetail session could open a WebSocket to th...

CVE-2026-42283

DevSpace is a client-only developer tool for cloud-native development with Kubernetes. Prior to 6.3.21, DevSpace's UI server WebSocket accepts connections from all origins by default, and therefore several endpoints are exposed via this WebSocket. When a developer runs the DevSpace UI and at the...

Exploit for Missing Authentication for Critical Function in Coreweave Marimo

CVE-2026-39987 - Marimo Pre-Auth RCE Unauthenticated Remote...

Linux Distros Unpatched Vulnerability : CVE-2026-45736

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 disclosu...

CVE-2026-44670

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the kernel stores Attribute View AV / database names without any HTML escape, then a render template uses raw strings.ReplaceAlltpl, "$avName", nodeAvName to embed the name in HTML before pushing to all clients via...

CVE-2026-42786

A flaw was found in bandit. A remote, unauthenticated attacker can exploit an Allocation of Resources Without Limits or Throttling vulnerability in the fragment reassembly path of the WebSocket connection handling. This allows the attacker to send an unbounded number of continuation frames, leadi...

Exploit for Server-Side Request Forgery in Vercel Next.Js

nextjs-cve-2026-44578 Nuclei templates for detecting...

CVE-2026-45736

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...

UBUNTU-CVE-2026-45736

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...

CVE-2026-45736

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...

CVE-2026-45736

Summary: CVE-2026-45736 affects the ws project (WebSocket client/server for Node.js). Prior to version 8.20.1, ws.close() could disclose uninitialized memory when a TypedArray is passed as the reason argument. The issue is fixed in ws 8.20.1. Affected component: ws websocket.close() implementatio...

CVE-2026-45736 ws: Uninitialized memory disclosure

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...

CVE-2026-45736 ws: Uninitialized memory disclosure

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...