CVE-2026-59271 Admin password disclosed in BrokerNotAliveException message

Medium 5.3 Published Updated

An attacker can obtain the admin password in cleartext from exception messages when the RabbitMQ aliveness check fails.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-59271?

CVE-2026-59271 is a medium-severity vulnerability in Spring AMQP, published on 27 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

When the RabbitMQ management aliveness check fails, the configured admin password is embedded in cleartext in the thrown exception message. Spring AMQP 4.1.0 Spring AMQP 4.0.0 - 4.0.4 Spring AMQP 3.2.0 - 3.2.12 Spring AMQP 2.4.18 and earlier

Weakness: CWE-209

Which versions are affected by CVE-2026-59271?

It affects 1 product.

Products include Vmware Spring Advanced Message Queuing Protocol.

How do I fix CVE-2026-59271?

Upgrade to a fixed version.

Is CVE-2026-59271 being exploited?

There is no known exploitation of CVE-2026-59271 in the wild and no public exploit code.

Sources

Also known as GHSA-372m-jx97-v923.

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