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CVE-2026-106123

RabbitMQ Java client: plaintext broker credentials leaked in exception message from ConnectionFactoryConfigurator.load()

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.35.0, ConnectionFactoryConfigurator.load() includes the raw uri value in wrapped exceptions when AMQP URI parsing fails. Because the URI may contain a plaintext username and password, startup logs, application performance monitoring systems, CI logs, and copied stack traces can disclose broker credentials to users who should not have access to them. This issue is fixed in version 5.35.0.

CVSS 4.0 · 5.7 Medium EPSS < 1% KEV · Not listed
Vendors
Rabbitmq Vmware
Products
Amqp-client Java-client Rabbitmq Java Client
CVE-2026-106121

RabbitMQ: JSONReader in the default JSON-RPC mapper never terminates on truncated input, causing DoS

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.37.0, com.rabbitmq.tools.json.JSONReader.read() fails to terminate when input ends inside a quoted string or a line comment because its string and whitespace scanners do not stop at CharacterIterator.DONE. The default DefaultJsonRpcMapper passes JSON-RPC message bodies to this parser for JsonRpcServer and client replies. A truncated string causes the parser to append replacement end markers until heap exhaustion, while a line comment without a terminating newline can keep a thread consuming CPU indefinitely, resulting in denial of service. This issue is fixed in version 5.37.0.

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Vendors
Com.rabbitmq Rabbitmq Vmware
Products
Amqp-client Java-client Rabbitmq Java Client
CVE-2026-106122

RabbitMQ: Malformed UTF-8 in shortstr properties permanently disables RPC consumers

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. Prior to 5.36.0, ValueReader.readShortstr decodes malformed UTF-8 bytes into replacement characters that can re-encode beyond the AMQP shortstr limit enforced by ValueWriter.writeShortstr. An attacker who can submit an RPC message with a malformed echoed property can cause reply publication in RpcServer.mainloop() or tutorial-style consumers to throw an unchecked exception before acknowledgement. The broker requeues the message, allowing the same message to disable replacement consumers until the queue is purged. This issue is fixed in version 5.36.0.

CVSS 4.0 · 6 Medium EPSS < 1% KEV · Not listed
Vendors
Rabbitmq Vmware
Products
Amqp-client Java-client Rabbitmq Java Client
CVE-2022-31008

Predictable credential obfuscation seed value used in rabbitmq-server

RabbitMQ is a multi-protocol messaging and streaming broker. In affected versions the shovel and federation plugins perform URI obfuscation in their worker (link) state. The encryption key used to encrypt the URI was seeded with a predictable secret. This means that in case of certain exceptions related to Shovel and Federation plugins, reasonably easily deobfuscatable data could appear in the node log. Patched versions correctly use a cluster-wide secret for that purpose. This issue has been addressed and Patched versions: `3.10.2`, `3.9.18`, `3.8.32` are available. Users unable to upgrade should disable the Shovel and Federation plugins.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom Vmware
Products
Rabbitmq Server Rabbitmq
CVE-2019-11291

RabbitMQ XSS attack via federation and shovel endpoints

Pivotal RabbitMQ, 3.7 versions prior to v3.7.20 and 3.8 version prior to v3.8.1, and RabbitMQ for PCF, 1.16.x versions prior to 1.16.7 and 1.17.x versions prior to 1.17.4, contain two endpoints, federation and shovel, which do not properly sanitize user input. A remote authenticated malicious user with administrative access could craft a cross site scripting attack via the vhost or node name fields that could grant access to virtual hosts and policy management information.

CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom Redhat Vmware
Products
Rabbitmq Server Openstack Rabbitmq
CVE-2023-46118

Denial of Service by publishing large messages over the HTTP API

RabbitMQ is a multi-protocol messaging and streaming broker. HTTP API did not enforce an HTTP request body limit, making it vulnerable for denial of service (DoS) attacks with very large messages. An authenticated user with sufficient credentials can publish a very large messages over the HTTP API and cause target node to be terminated by an "out-of-memory killer"-like mechanism. This vulnerability has been patched in versions 3.11.24 and 3.12.7.

CVSS 3.1 · 4.9 Medium EPSS 1.3% KEV · Not listed
Vendors
Redhat Vmware
Products
Openstack Rabbitmq
CVE-2023-46120

RabbitMQ Java client's lack of message size limitation leads to remote DoS attack

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes. `maxBodyLebgth` was not used when receiving Message objects. Attackers could send a very large Message causing a memory overflow and triggering an OOM Error. Users of RabbitMQ may suffer from DoS attacks from RabbitMQ Java client which will ultimately exhaust the memory of the consumer. This vulnerability was patched in version 5.18.0.

CVSS 3.1 · 4.9 Medium EPSS 1.3% KEV · Not listed
Vendors
Vmware
Products
Rabbitmq Java Client
CVE-2021-32719

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in RabbitMQ federation management plugin

RabbitMQ is a multi-protocol messaging broker. In rabbitmq-server prior to version 3.8.18, when a federation link was displayed in the RabbitMQ management UI via the `rabbitmq_federation_management` plugin, its consumer tag was rendered without proper <script> tag sanitization. This potentially allows for JavaScript code execution in the context of the page. The user must be signed in and have elevated permissions (manage federation upstreams and policies) for this to occur. The vulnerability is patched in RabbitMQ 3.8.18. As a workaround, disable the `rabbitmq_federation_management` plugin and use [CLI tools](https://www.rabbitmq.com/cli.html) instead.

CVSS 3.1 · 3.1 Low EPSS 1.4% KEV · Not listed
Vendors
Redhat Vmware
Products
Openstack Rabbitmq
CVE-2021-32718

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in RabbitMQ management UI

RabbitMQ is a multi-protocol messaging broker. In rabbitmq-server prior to version 3.8.17, a new user being added via management UI could lead to the user's bane being rendered in a confirmation message without proper `<script>` tag sanitization, potentially allowing for JavaScript code execution in the context of the page. In order for this to occur, the user must be signed in and have elevated permissions (other user management). The vulnerability is patched in RabbitMQ 3.8.17. As a workaround, disable `rabbitmq_management` plugin and use CLI tools for management operations and Prometheus and Grafana for metrics and monitoring.

CVSS 3.1 · 3.1 Low EPSS 1.4% KEV · Not listed
Vendors
Redhat Vmware
Products
Openstack Rabbitmq
CVE-2021-22116

rabbitmq-server: improper input validation may lead to DoS

RabbitMQ all versions prior to 3.8.16 are prone to a denial of service vulnerability due to improper input validation in AMQP 1.0 client connection endpoint. A malicious user can exploit the vulnerability by sending malicious AMQP messages to the target RabbitMQ instance having the AMQP 1.0 plugin enabled.

CVSS 3.1 · 7.5 High EPSS 1.4% KEV · Not listed
Vendors
Debian Vmware
Products
Debian Linux Rabbitmq