CVE-2026-57215
HIGHRabbitMQ Direct Reply-To - Unauthorized Reply-Channel Injection
Title source: manualDescription
RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ allows foreign bindings to amq.rabbitmq.reply-to destinations because volatile direct-reply-to queues can be accepted at bind and route time but are missing from Khepri-backed deletion checks, leaving persistent route entries after unbind. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6.
References (6)
Core 6
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-5cq3-v9jx-p3x3
X_Refsource_Misc x_refsource_misc
https://github.com/rabbitmq/rabbitmq-server/pull/15938
X_Refsource_Misc x_refsource_misc
https://github.com/rabbitmq/rabbitmq-server/commit/c84f3c880e0f22b49c01237cf8f86e176eeadc72
X_Refsource_Misc x_refsource_misc
https://github.com/rabbitmq/rabbitmq-server/pull/15935
X_Refsource_Misc x_refsource_misc
https://github.com/rabbitmq/rabbitmq-server/commit/9055500d10ca7629dd2b051c6dc7a4b0bb8f6734
X_Refsource_Misc x_refsource_misc
https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6
Scores
CVSS v3
8.8
EPSS
0.0024
EPSS Percentile
15.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-863
Status
published
Products (5)
broadcom/rabbitmq_server
3.13.0 - 4.2.6
rabbitmq/rabbitmq-server
>= 3.13.0, < 3.13.15
rabbitmq/rabbitmq-server
>= 4.0.0, < 4.0.21
rabbitmq/rabbitmq-server
>= 4.1.0, < 4.1.11
rabbitmq/rabbitmq-server
>= 4.2.0, < 4.2.6
Published
Jul 10, 2026
Tracked Since
Jul 11, 2026