CVE-2026-57221 RabbitMQ: Passive queue/exchange declaration bypasses authorization checks, leaking queue metadata to unprivileged users

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ does not perform authorization checks on passive queue.declare and exchange.declare AMQP 0-9-1 operations, allowing any authenticated user who can connect to a virtual host to enumerate queue and...

PT-2026-57306

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 Description RabbitMQ fails to perform authorization checks on passive queue.declare and exchange.declare AM...

RabbitMQ: RabbitMQ: Information disclosure via authorization bypass in AMQP 0-9-1 operations

A flaw was found in RabbitMQ. This vulnerability allows an authenticated user, with the ability to connect to a virtual host, to bypass authorization checks during passive queue.declare and exchange.declare AMQP 0-9-1 Advanced Message Queuing Protocol operations. This bypass enables the user to...