Lucene search
+L

undertow: undertow-websockets: Undertow: Pre-Auth DoS on websocket endpoint with @ServerEndpoint class with any @OnMessage method

🗓️ 22 Sep 2026 15:35:34Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Unauthenticated DoS in Undertow websockets via @OnMessage method causes Out of Memory.

Related
Detection
Refs

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

09 Oct 2026 23:26Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00608
SSVC
5