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CVE-2026-106122

7.5, high

The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
7.5, high high CVSS v3.1
EPSS, next 30 days
0.5% higher than 39.8% of scored CVEs
Exploitation
Exploit code published
Published
6 Oct 202611 days ago

Description

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.

Details

Vendor
Rabbitmq and 1 more
Product
rabbitmq-java-client
Weakness
CWE-172 (opens in a new tab)
Status
Analyzed
Updated
9 Oct 2026
Assigner
security-advisories@github.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References 4

Exploit code 1

Patches and fixes 2

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Rabbitmq CVEs

Every Rabbitmq CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-106121 The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with RabbitMQ nodes EPSS 0.5% 7.5, high
  • CVE-2026-67410 rabbitmq-server Exposure of Sensitive Information Vulnerability EPSS 0.4% 7.1, high
  • CVE-2026-67411 rabbitmq-server Incorrect Authorization Vulnerability EPSS 0.3% 7.1, high
  • CVE-2026-67412 rabbitmq-server Missing Authorization Vulnerability EPSS 0.3% 7.1, high
  • CVE-2026-67223 RabbitMQ is a messaging and streaming broker EPSS 0.4% 7.1, high
  • CVE-2026-67407 rabbitmq-server Missing Authorization Vulnerability EPSS 0.3% 7.1, high

Beyond this page

Is CVE-2026-106122 in your network?

This page tells you how dangerous CVE-2026-106122 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.