CVE-2026-49270

Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Durable Subscription Disclosure via Crafted BrokerInfo (OpenWire)

State
Published
Severity
5.9 Medium
Published
Jun 1, 2026
Updated
Jun 1, 2026
Reserved
May 28, 2026

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Description

Exposure of Sensitive Information Through Metadata vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All.

Brokers that are configured with a network connector with syncDurableSubs set to true, are vulnerable to an unauthenticated attacker who can receive a list of all durable topic subscriptions in the broker, including client identifiers, subscription names, topic destinations, and JMS selector expressions, by sending a BrokerInfo command. The broker incorrectly responds without first ensuring the connection is authenticated. This issue affects Apache ActiveMQ Broker: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ All: before 5.19.7, from 6.0.0 before 6.2.6.

Users are recommended to upgrade to version 6.2.6 or 5.19.7, which fixes the issue.

Scores

CVSSScoreVectorSource
3.15.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NCISA-ADP

Weaknesses

  • CWE-1230 Exposure of Sensitive Information Through Metadata

Affected Products

ProductVersions
Apache ActiveMQ BrokerApache Software Foundation
  • 5.14.0 to before 5.19.7Affected
  • 6.0.0 to before 6.2.6Affected
Apache ActiveMQApache Software Foundation
  • 5.14.0 to before 5.19.7Affected
  • 6.0.0 to before 6.2.6Affected
Apache ActiveMQ AllApache Software Foundation
  • 5.14.0 to before 5.19.7Affected
  • 6.0.0 to before 6.2.6Affected

References

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