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.
| Vendor | Product | Versions |
|---|---|---|
| broadcom | rabbitmq_server | >= 4.2.0, < 4.2.6, >= 4.1.0, < 4.1.11, >= 4.0.0, < 4.0.21, >= 3.13.0, < 3.13.15 |
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Updated severity to CRITICAL, marked as actively exploited, and added new tag CVE-2026-57217.
Initial creation
