UBUNTU-CVE-2026-67411

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18, 4.0.23, 4.1.14, 4.2.9, and 4.3.3, native MQTT and MQTT over WebSocket behind a trusted PROXY Protocol frontend could lose the proxy-derived client address before the MQTT authentication path checked loopbackusers, causing th...

CVE-2026-61525

The Zammad helpdesk system versions 7.0.2 and 7.1.0 are vulnerable to a path traversal attack within the session management for websocket and long-polling connections. The root cause is the insufficient validation of client-supplied session identifiers before they are used to construct internal f...

EUVD-2026-87222

Zammad is a web based open source helpdesk/customer support system. In 7.0.2 and 7.1.0, zammad's session management for websocket and long-polling connections is susceptible to a path traversal attack. Session identifiers supplied by the client are insufficiently validated before being used to...

EUVD-2026-87229

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18, 4.0.23, 4.1.14, 4.2.9, and 4.3.3, native MQTT and MQTT over WebSocket behind a trusted PROXY Protocol frontend could lose the proxy-derived client address before the MQTT authentication path checked loopbackusers, causing th...

CVE-2026-67411

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18, 4.0.23, 4.1.14, 4.2.9, and 4.3.3, native MQTT and MQTT over WebSocket behind a trusted PROXY Protocol frontend could lose the proxy-derived client address before the MQTT authentication path checked loopbackusers, causing th...

CVE-2026-67411

The RabbitMQ messaging and streaming broker is vulnerable to a loopback-only user permission bypass in versions 3.13.0 to 3.13.18, 4.0.23, 4.1.14, 4.2.9, and 4.3.3. When deployed behind a trusted PROXY Protocol frontend, native MQTT and MQTT over WebSocket can lose the proxy-derived client addres...

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...

EUVD-2026-87144

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

The RabbitMQ messaging and streaming broker is vulnerable to a resource exhaustion flaw in its Web STOMP WebSocket handler. When the rabbitmq_web_stomp plugin is enabled, the handler fails to enforce max_frame_size or login_timeout before authentication. This allows an unauthenticated remote atta...

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...

OESA-2026-4044 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using the...

OESA-2026-4043 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using the...

OESA-2026-4042 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using the...

OESA-2026-4040 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using the...

OESA-2026-4007 libsoup3 security update

Libsoup is an HTTP library implementation in C. It was originally part of a SOAP Simple Object Access Protocol implementation called Soup, but the SOAP and non-SOAP parts have now been split into separate packages. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using...

OESA-2026-4006 libsoup3 security update

Libsoup is an HTTP library implementation in C. It was originally part of a SOAP Simple Object Access Protocol implementation called Soup, but the SOAP and non-SOAP parts have now been split into separate packages. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using...

OESA-2026-4008 libsoup3 security update

Libsoup is an HTTP library implementation in C. It was originally part of a SOAP Simple Object Access Protocol implementation called Soup, but the SOAP and non-SOAP parts have now been split into separate packages. Security Fixes: A flaw was found in libsoup's WebSocket implementation when using...

CVE-2026-67411: Incorrect Authorization

RabbitMQ is a messaging and streaming broker. From 3.13.0 until 3.13.18, 4.0.23, 4.1.14, 4.2.9, and 4.3.3, native MQTT and MQTT over WebSocket behind a trusted PROXY Protocol frontend could lose the proxy-derived client address before the MQTT authentication path checked loopbackusers, causing th...

PT-2026-98920

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 3.13.0 through 3.13.17 RabbitMQ versions 4.0.x prior to 4.0.23 RabbitMQ versions 4.1.x prior to 4.1.14 RabbitMQ versions 4.2.x prior to 4.2.9 RabbitMQ versions 4.3.x prior to 4.3.3 Description Native MQTT and MQTT over...