RabbitMQ 3.13.x < 3.13.15 / 4.0.x < 4.0.21 / 4.1.x < 4.1.11 / 4.2.x < 4.2.6 Topic Authorization Bypass

The version of RabbitMQ installed on the remote host is affected by an authorization bypass vulnerability: - RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which...

rabbitmq: RabbitMQ: Authorization bypass allows unauthorized topic writes and binds during metadata-store failures

A flaw was found in RabbitMQ, a messaging and streaming broker. During metadata-store failures, the topic authorization mechanism can incorrectly allow restricted topic writes and binds. This occurs because permission lookup errors from Khepri are treated as an 'allow' condition by the internal...

Linux Distros Unpatched Vulnerability : CVE-2026-44838

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. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions...