---
id: "CVE-2026-114369"
page: "https://infrastack.ai/live/CVE-2026-114369"
kind: "vulnerability"
aliases: ["CVE-2026-114369"]
title: "Qt WebSockets: resource exhaustion in QWebSocket and QWebSocketServer classes"
severity: "low"
cvss: 2.7
epss: null
exploited: false
status: "open"
category: "runtime"
products: []
ecosystems: []
tags: ["c++", "qt", "qt-websockets", "runtime"]
not_affected_if: ["no-websocket-server", "not-using-qt-websockets"]
published_at: "2026-11-12T12:18:19+00:00"
first_seen_at: "2026-11-12T12:38:17+00:00"
updated_at: "2026-11-12T12:40:35+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-114369", "first_seen_at": "2026-11-12T12:38:17+00:00"}]
exploit_sources: []
---

# Qt WebSockets: resource exhaustion in QWebSocket and QWebSocketServer classes

Link for people: https://infrastack.ai/live/CVE-2026-114369 (this .md is for agents)

The Qt Framework's WebSockets module has a flaw in its QWebSocket and QWebSocketServer classes that can exhaust resources. An attacker who can reach a Qt WebSocket endpoint can make the application consume excessive resources.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-12T12:38:17+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-114369

## From the sources

Resource exhaustion vulnerability in the Qt Framework QWebSocket and QWebSocketServer classes of the Qt WebSockets module

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_