In a nutshell: RabbitMQ contains multiple unauthenticated vulnerabilities that enable denial-of-service attacks, authorization bypass, and data manipulation.
Multiple vulnerabilities have been discovered in RabbitMQ that attackers can exploit without authentication. These gaps enable denial-of-service attacks, bypass of authorization and tenant boundaries, as well as data manipulation and disclosure.
The message broker system RabbitMQ contains multiple vulnerabilities that can be exploited by remote, anonymous attackers. Affected are scenarios in which RabbitMQ is exposed directly on the network without additional authentication mechanisms.
The vulnerabilities enable various attack scenarios: denial-of-service attacks for resource exhaustion, bypass of access control mechanisms between tenants and authorization boundaries within RabbitMQ clusters, as well as read and write access to data over specific protocols. Another vector involves cross-site scripting attacks via the management console.
CISOs should prioritize RabbitMQ instances in their inventory: deployments with direct network exposure or in environments with high tenant trust are considered critical. An in-depth inventory assessment regarding version status and network access is necessary. Patches should be scheduled according to urgency.
Source: wid.cert-bund.de · Published 23 July 2026
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