CVE-2026-57221

RabbitMQ vulnerability CVE-2026-57221 affects passive queue.declare and exchange.declare operations in AMQP 0-9-1. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, authenticated users who can connect to a virtual host could enumerate queue and exchange names and read queue message and consum...

CVE-2026-57221

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...