CVE-2026-57218
Severity CVSS v4.0:
MEDIUM
Type:
Unavailable / Other
Publication date:
10/07/2026
Last modified:
10/07/2026
Description
RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.update_secret refresh to reduced scopes because existing consumers are not canceled or reauthorized at delivery time after the channel user state changes. This issue is fixed in version 4.2.6.
Impact
Base Score 4.0
4.90
Severity 4.0
MEDIUM
References to Advisories, Solutions, and Tools
- https://github.com/rabbitmq/rabbitmq-server/commit/501ad947cd6bbcc9486fe96e0d073992bfe52cc4
- https://github.com/rabbitmq/rabbitmq-server/commit/db20d6c0fcf3056030f244b5adab0d45c0db0c9e
- https://github.com/rabbitmq/rabbitmq-server/pull/16092
- https://github.com/rabbitmq/rabbitmq-server/pull/16097
- https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-wmrr-4h5v-5ch7



