CVE-2026-57214

rabbitmq-server: RabbitMQ is a messaging and streaming broker

CVE-2026-57214 is fixed in rabbitmq-server on 1 platform, first by DEBIAN-CVE-2026-57214, released July 18, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.4
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0022
12th percentile

RabbitMQ is a messaging and streaming broker. Prior to 4.2.5, the RabbitMQ management UI renders the x-internal-purpose queue or exchange argument into an HTML title attribute without proper escaping on the Queues and Exchanges pages, allowing a user with permission to declare a queue or exchange to execute JavaScript in another user's browser. This issue is fixed in version 4.2.5.

Where it's fixed

ProductFixed inFixReleased
Linux
rabbitmq-server · Debian 14 4.3.0-2 DEBIAN-CVE-2026-57214 Jul 18, 2026
rabbitmq-server · opensuse-leap 16.0 4.1.5-160000.2.1 OPENSUSE-SU-2026:21903-1 Sep 22, 2026
rabbitmq-server · sles 16.0 4.1.5-160000.2.1 SUSE-SU-2026:23869-1 Sep 22, 2026

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