CVE-2026-67405

A flaw was found in RabbitMQ's Web-MQTT and Web-STOMP handlers. These handlers do not properly validate the Origin header during a WebSocket upgrade. When specific non-default configurations are enabled, such as usehttpauth=true for Web-STOMP or sslcertlogin=true for both plugins, an attacker can...

Linux Distros Unpatched Vulnerability : CVE-2026-67405

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. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler...

AZL-105747 CVE-2026-67405 affecting package rabbitmq-server 3.13.7-9

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

DEBIAN-CVE-2026-67405

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

UBUNTU-CVE-2026-67405

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

CVE-2026-67405

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

CVE-2026-67405

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

CVE-2026-67405 RabbitMQ: CSWSH on Web-STOMP / Web-MQTT (no Origin validation)

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

CVE-2026-67405 RabbitMQ: CSWSH on Web-STOMP / Web-MQTT (no Origin validation)

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

CVE-2026-67405 RabbitMQ: CSWSH on Web-STOMP / Web-MQTT (no Origin validation)

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

EUVD-2026-85656

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

CVE-2026-67405: Missing Origin Validation in WebSockets

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0, Neither the Web-MQTT handler deps/rabbitmqwebmqtt/src/rabbitwebmqtthandler.erl:104 nor the Web-STOMP handler deps/rabbitmqwebstomp/src/rabbitwebstomphandler.erl:102 validates the Origin head...

rabbitmq-server: RabbitMQ: Cross-Site WebSocket Hijacking via missing Origin header validation

A flaw was found in RabbitMQ's Web-MQTT and Web-STOMP handlers. These handlers do not properly validate the Origin header during a WebSocket upgrade. When specific non-default configurations are enabled, such as usehttpauth=true for Web-STOMP or sslcertlogin=true for both plugins, an attacker can...

Security Bulletin: Vulnerabilities found in Watson Data Intelligence

Summary Multiple Vulnerabilities were addressed in Watson Data Intelligence version 5.4.0 Patch6 Vulnerability Details CVEID:CVE-2026-59870 DESCRIPTION: js-yaml is a JavaScript YAML parser and dumper. From 5.0.0 before 5.2.1, YAML11SCHEMA support for the !!omap tag in src/tag/sequence/omap.ts use...

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

CVE-2026-44578 — Next.js WebSocket Upgrade SSRF Laboratorio...

aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade

A flaw was found in AIOHTTP, an asynchronous HTTP client/server framework. This vulnerability allows a remote attacker to perform HTTP request smuggling due to an edge case in the WebSocket upgrade procedure. When a WebSocket upgrade request includes a body, the parser may switch protocols before...

aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade

A flaw was found in AIOHTTP, an asynchronous HTTP client/server framework. This vulnerability allows a remote attacker to perform HTTP request smuggling due to an edge case in the WebSocket upgrade procedure. When a WebSocket upgrade request includes a body, the parser may switch protocols before...

aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade

A flaw was found in AIOHTTP, an asynchronous HTTP client/server framework. This vulnerability allows a remote attacker to perform HTTP request smuggling due to an edge case in the WebSocket upgrade procedure. When a WebSocket upgrade request includes a body, the parser may switch protocols before...

aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade

A flaw was found in AIOHTTP, an asynchronous HTTP client/server framework. This vulnerability allows a remote attacker to perform HTTP request smuggling due to an edge case in the WebSocket upgrade procedure. When a WebSocket upgrade request includes a body, the parser may switch protocols before...

OESA-2026-3583 python-aiohttp security update

Async http client/server framework asyncio. Security Fixes: AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to 3.14.2, the HTTP parsers were vulnerable to a request smuggling attack relating to WebSocket upgrades. If using the server-side component, an attack...