Security Bulletin:RabbitMQ Web STOMP WebSocket Handler Vulnerability: Unbounded Pre-Authentication State

Summary RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of sma...

BIT-RABBITMQ-2026-67230 RabbitMQ: Web-STOMP unbounded pre-auth accumulation

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

AZL-105281 CVE-2026-67230 affecting package rabbitmq-server for versions less than 3.13.7-10

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

DEBIAN-CVE-2026-67230

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

CVE-2026-67230

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

CVE-2026-67230

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

CVE-2026-67230

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

CVE-2026-67230 RabbitMQ: Web-STOMP unbounded pre-auth accumulation

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

CVE-2026-67230 RabbitMQ: Web-STOMP unbounded pre-auth accumulation

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

CVE-2026-67230: Allocation of Resources Without Limits or Throttling

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesize nor logintimeout before authentication, allowing an unauthenticated client to keep a connection alive with a slow stream of small frame...

Linux Distros Unpatched Vulnerability : CVE-2026-67230

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.15, 4.0.20, 4.1.11, and 4.2.6, the Web STOMP WebSocket handler enforced neither maxframesiz...