CVE-2026-57213

Description

RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_federation_management plugin renders the consumer_tag field on the Federation Status page without HTML escaping, allowing a user who can configure a federation upstream or policy to execute JavaScript in the browser of a user viewing that page. This issue is fixed in versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.

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Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://github.com/rabbitmq/rabbitmq-server/commit/33dedfe4fd53ff009cc67ab36358d0624c6b2e53 https://github.com/rabbitmq/rabbitmq-server/commit/c2d0d69edf01efbd6e87dfb250c373a32da957f8 https://github.com/rabbitmq/rabbitmq-server/pull/15708 https://github.com/rabbitmq/rabbitmq-server/pull/15711 https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.5 https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-qxrp-7cmp-p77h

Frequently Asked Questions

What is CVE-2026-57213? +

RabbitMQ is a messaging and streaming broker. Prior to 3.13.14, 4.0.19, 4.1.10, and 4.2.5, the rabbitmq_federation_management plugin renders the consumer_tag field on the Federation Status page without HTML escaping, allowing a user who can configure a federation upstream or policy to execute JavaScript in the browser of a user viewing that page. This issue is fixed in versions 3.13.14, 4.0.19, 4.1.10, and 4.2.5.

How do I check if I'm vulnerable to CVE-2026-57213? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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