What’s Vulnerable › Vulnerabilities

CVE-2026-49362: Apache Artemis, Apache ActiveMQ Artemis: Missing Authentication in CORE Protocol Handler Allows Unauthorized Queue Creation

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-10 · updated 2026-09-16
• Weakness: CWE-306

Description

An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unauthorized broker state manipulation and potential denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes the issue.

Affected products

• Apache Software Foundation Apache ActiveMQ Artemis: from 1.0.0 before 2.44.0; from 2.50.0 before 2.57.0 — fixed in 2.44.0, 2.57.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache ActiveMQ Artemis 2.44.0, 2.57.0. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/3828w4tm5mfpflmoprb5oxfgwhq3xw0v
• http://www.openwall.com/lists/oss-security/2026/09/10/1

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