Cross-site scripting in RabbitMQ - CVE-2026-57213

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Main Vulnerability Database Vulnerabilities #VU137215

Cross-site scripting in RabbitMQ - CVE-2026-57213

Published: July 9, 2026


Vulnerability identifier: #VU137215
CSH Severity: Low
CVSS v4 BT: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]
CVE-ID: CVE-2026-57213
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to execute arbitrary script code in a user's browser.

The vulnerability exists due to cross-site scripting in the federation management plugin when rendering an unsanitized consumer_tag. A remote user can inject a crafted consumer_tag value to execute arbitrary script code in a user's browser.


Affected software

RabbitMQ
Fedora
rabbitmq-server

How to mitigate CVE-2026-57213

Install security update from vendor's website.

RabbitMQ - update to 3.13.14
rabbitmq-server - update to 4.0.9-5.fc43

External References

Related Security Bulletins