Vulnerability Description
RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures because topic-permission lookup errors from Khepri can collapse to undefined, which the internal backend treats as allow. This issue is fixed in versions 3.13.15, 4.0.21, 4.1.11, and 4.2.6.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Rabbitmq Server | >= 3.13.0, < 4.2.6 |
Related Weaknesses (CWE)
References
- https://github.com/rabbitmq/rabbitmq-server/commit/94f1d33a70fcfa09006649599e79fPatch
- https://github.com/rabbitmq/rabbitmq-server/commit/ce1f682aa6b398820c5e3ce1ff743Patch
- https://github.com/rabbitmq/rabbitmq-server/pull/15941Issue TrackingPatch
- https://github.com/rabbitmq/rabbitmq-server/pull/15943Issue TrackingPatch
- https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6Release Notes
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-gpvw-75h5-3ExploitVendor Advisory
- https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-gpvw-75h5-3ExploitVendor Advisory
FAQ
What is CVE-2026-57217?
CVE-2026-57217 is a vulnerability with a CVSS score of 6.5 (MEDIUM). RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.21, 4.1.11, and 4.2.6, RabbitMQ topic authorization can allow restricted topic writes and binds during metadata-store failures becau...
How severe is CVE-2026-57217?
CVE-2026-57217 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-2026-57217?
Check the references section above for vendor advisories and patch information. Affected products include: Broadcom Rabbitmq Server.