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

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Summary

CVECVE-2026-49270
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-01 09:16:20 UTC
Updated2026-06-01 15:16:38 UTC
DescriptionExposure 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.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from ADP

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

Problem Types: CWE-1230 | CWE-1230 CWE-1230 Exposure of Sensitive Information Through Metadata

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache ActiveMQ Broker affected 5.14.0 5.19.7 semver Not specified
CNA Apache Software Foundation Apache ActiveMQ Broker affected 6.0.0 6.2.6 semver Not specified
CNA Apache Software Foundation Apache ActiveMQ affected 5.14.0 5.19.7 semver Not specified
CNA Apache Software Foundation Apache ActiveMQ affected 6.0.0 6.2.6 semver Not specified
CNA Apache Software Foundation Apache ActiveMQ All affected 5.14.0 5.19.7 semver Not specified
CNA Apache Software Foundation Apache ActiveMQ All affected 6.0.0 6.2.6 semver Not specified

References

ReferenceSourceLinkTags
lists.apache.org/thread/k3233c1x506z3w7x4z0dqvd86d4v2fr2 [email protected] lists.apache.org
www.openwall.com/lists/oss-security/2026/05/31/22 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Basel Khaled (en)

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