CVE-2026-69220

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.33.1, src/main/java/com/rabbitmq/client/impl/ValueReader.java permits ValueReader.readTable and ValueReader.readArray to call ValueReader.readFieldValue recursively for AMQP table type F and AMQP array type A values without a nesting-depth limit. A malicious AMQP server or network intermediary can send approximately 580 nested table levels in the pre-authentication connection.start frame, fitting within the default 131072-byte frame maximum, to trigger StackOverflowError. The error terminates the client input processing thread and causes denial of service. This issue is fixed in version 5.33.1.

• CWE-674

• https://github.com/rabbitmq/rabbitmq-java-client/commit/09af76fce136f3136931654a0a1d43095c80e2f0
• https://github.com/rabbitmq/rabbitmq-java-client/commit/db89e34809fbc6ba4e946615f297f3684ccd0acc
• https://github.com/rabbitmq/rabbitmq-java-client/pull/2007
• https://github.com/rabbitmq/rabbitmq-java-client/pull/2008
• https://github.com/rabbitmq/rabbitmq-java-client/releases/tag/v5.33.1
• https://github.com/rabbitmq/rabbitmq-java-client/security/advisories/GHSA-93j5-89vc-pph4

Published

Aug 18, 2026

Last Modified

Sep 10, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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