CVE-2026-106122: The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with Rabbit

Q: How do I fix CVE-2026-106122?

rabbitmq java client: upgrade to 5.36.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-106122 being exploited?

CVE-2026-106122 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-106122 affect?

CVE-2026-106122 affects rabbitmq java client. Severity is high (CVSS 7.5). 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 b

Q: How urgent is CVE-2026-106122?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-106122 is a high-severity flaw (CVSS 7.5) affecting rabbitmq java client. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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-st

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-172, CWE-248
Published	2026-10-06
Last modified	2026-10-09

Publisher (CNA): GitHub, Inc. · Vendor: vmware

Last updated 2026-10-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-06 19:17 UTCPublished CVE record published
2026-10-09 18:21 UTCUpdated Record last modified

vmware rabbitmq java client UPGRADE

Affected: < 5.36.0

Fixed in: 5.36.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy rabbitmq-java-client || rpm -q rabbitmq-java-client || rabbitmq-java-client --version

2. UPGRADE to 5.36.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade rabbitmq-java-client

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade rabbitmq-java-client

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-106122?

rabbitmq java client: upgrade to 5.36.0. Exact commands for each OS are on this page.

Is CVE-2026-106122 being exploited?

CVE-2026-106122 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-106122 affect?

CVE-2026-106122 affects rabbitmq java client. Severity is high (CVSS 7.5). 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 b

How urgent is CVE-2026-106122?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities · VMware vulnerabilities · RabbitMQ vulnerabilities

Related CVEs

CVE-2026-106123 MEDIUM 5.5 UPGRADE The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with Rabbit
CVE-2026-106121 MEDIUM 4.9 UPGRADE The RabbitMQ Java client library allows Java and JVM-based applications to connect to and interact with Rabbit

References

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