CVE-2026-67220

A flaw was found in RabbitMQ, a messaging and streaming broker. An authenticated low-privilege AMQP Advanced Message Queuing Protocol user can exploit this vulnerability by creating bindings on an x-jms-topic exchange with specially crafted selector strings. This action causes an exhaustion of...

Improper Input Validation

Apache ActiveMQ is vulnerable to improper input validation. The vulnerability is due to insufficient validation of the clientId when removing a durable topic subscription, which allows an authenticated attacker to spoof a client ID and potentially remove another client's durable topic subscriptio...

Linux Distros Unpatched Vulnerability : CVE-2026-67220

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, 4.3.0, When a binding is created on an x-jms-topic exchange,...

CVE-2026-91119: Improper Neutralization of Input During Web Page Generation

Discourse is an open-source discussion platform. Prior to 2026.1.8, 2026.6.3, 2026.7.2, and 2026.8.0, the topic small-action and nested-activity-log components interpolated the free-form actioncodewho value into mention-link href attributes without URL encoding. A quote-bearing display name could...

CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

DEBIAN-CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

UBUNTU-CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-67220 RabbitMQ: JMS topic exchange erl_scan atom exhaustion

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-67220

Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, and 4.3.0 , RabbitMQ is vulnerable to a cross-tenant Denial of Service (DoS) due to atom exhaustion. When creating a binding on an x-jms-topic exchange , the add_binding/3 function processes the rjms_erlang_selector argument using erl_scan:string/...

CVE-2026-67220

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

EUVD-2026-85630

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

CVE-2026-95844

Moquette is a lightweight Java MQTT broker. Prior to 0.18.1, Moquette does not limit the depth of topic names and topic filters before processing them through recursive CTrie insertion and matching operations. A remote client can publish or subscribe with a deeply nested topic, causing a...

CVE-2026-95846

The Moquette lightweight Java MQTT broker is vulnerable to unauthorized message injection in versions prior to 0.18.1 . The PostOffice.publishWill function fails to apply canWrite authorization and reserved-topic checks when publishing a client's Last-Will message. This allows a client to configu...

CVE-2026-95844

The Moquette Java MQTT broker is vulnerable to a StackOverflowError in versions prior to 0.18.1 . The root cause is the lack of depth limits on topic names and topic filters during recursive CTrie insertion and matching operations. A remote client can exploit this by publishing or subscribing wit...

PT-2026-97564

Name of the Vulnerable Software and Affected Versions RabbitMQ versions prior to 3.13.15 RabbitMQ versions prior to 4.0.20 RabbitMQ versions prior to 4.1.11 RabbitMQ versions prior to 4.2.6 RabbitMQ versions prior to 4.3.0 Description An authenticated low-privilege AMQP user can cause a...

PT-2026-97395

Name of the Vulnerable Software and Affected Versions Moquette versions prior to 0.18.1 Description Moquette does not limit the depth of topic names and topic filters before processing them through recursive CTrie insertion and matching operations. A remote client can publish or subscribe using a...

CVE-2026-67220: Uncontrolled Resource Consumption

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, 4.2.6, 4.3.0, When a binding is created on an x-jms-topic exchange, addbinding/3 reads the rjmserlangselector argument and passes it through erlscan:string/1 then erlparse:parseterm/1. erlscan:string/1 intern...

PT-2026-98922

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 4.0.0 through 4.0.22 RabbitMQ versions 4.1.0 through 4.1.13 RabbitMQ versions 4.2.0 through 4.2.8 RabbitMQ versions 4.3.0 through 4.3.2 Description The optional rabbitmq jms topic exchange plugin's x-jms-topic exchange accept...

io.moquette:moquette-broker has a Missing Authorization issue

Summary Moquette MQTT Broker fails to enforce ACL write permission checks when publishing Will Last Will and Testament messages on behalf of disconnected clients. All normal PUBLISH paths receivedPublishQos0, receivedPublishQos1, receivedPublishQos2 correctly invoke authorizator.canWrite before...