CVE-2026-57221

RabbitMQ is a messaging and streaming broker. Prior to 3.13.15, 4.0.20, 4.1.11, and 4.2.6, RabbitMQ does not perform authorization checks on passive queue.declare and exchange.declare AMQP 0-9-1 operations, allowing any authenticated user who can connect to a virtual host to enumerate queue and exchange names and read queue message and consumer counts. This issue is fixed in versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6.

• CWE-862

• https://github.com/rabbitmq/rabbitmq-server/commit/709a14e49e06c138a8cd672c9809ca34a2767962Patch
• https://github.com/rabbitmq/rabbitmq-server/commit/dc3d1aa4f5c3331a425ee599b45be9423a2e83fcPatch
• https://github.com/rabbitmq/rabbitmq-server/pull/16085Issue Tracking, Patch
• https://github.com/rabbitmq/rabbitmq-server/pull/16090Issue Tracking, Patch
• https://github.com/rabbitmq/rabbitmq-server/releases/tag/v4.2.6Release Notes
• https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-9q2j-2hq8-22r2Exploit, Vendor Advisory
• https://github.com/rabbitmq/rabbitmq-server/security/advisories/GHSA-9q2j-2hq8-22r2Exploit, Vendor Advisory

Published

Jul 10, 2026

Last Modified

Jul 13, 2026

Status

Analyzed

• Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
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