Vulnerability Description
RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.update_secret refresh to reduced scopes because existing consumers are not canceled or reauthorized at delivery time after the channel user state changes. This issue is fixed in version 4.2.6.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Rabbitmq Server | >= 4.2.0, < 4.2.6 |
Related Weaknesses (CWE)
References
- https://github.com/rabbitmq/rabbitmq-server/commit/501ad947cd6bbcc9486fe96e0d073Patch
- https://github.com/rabbitmq/rabbitmq-server/commit/db20d6c0fcf3056030f244b5adab0Patch
- https://github.com/rabbitmq/rabbitmq-server/pull/16092Issue TrackingPatch
- https://github.com/rabbitmq/rabbitmq-server/pull/16097Issue TrackingPatch
- https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6Release Notes
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-wmrr-4h5v-5ExploitVendor Advisory
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-wmrr-4h5v-5ExploitVendor Advisory
FAQ
What is CVE-2026-57218?
CVE-2026-57218 is a vulnerability with a CVSS score of 6.5 (MEDIUM). RabbitMQ is a messaging and streaming broker. Prior to 4.2.6, RabbitMQ AMQP 0-9-1 allows an existing consumer to keep receiving messages after OAuth token expiry or connection.update_secret refresh to...
How severe is CVE-2026-57218?
CVE-2026-57218 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-57218?
Check the references section above for vendor advisories and patch information. Affected products include: Broadcom Rabbitmq Server.