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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-49363

Apache Artemis, Apache ActiveMQ Artemis: Pre-Authentication Information Disclosure in CORE Protocol Topology Subscription

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Status
Published
Published
Updated
Assigning organization
apache

Description

An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBE_TOPOLOGY request prior to authentication. 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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache Artemis

Default version status: unaffected

  • 2.50.0 to ≤ 2.56.0affected
pkg:maven/org.apache.artemis/artemis-server

Apache Software Foundation Apache ActiveMQ Artemis

Default version status: unaffected

  • 1.0.0 to ≤ 2.44.0affected
pkg:maven/org.apache.activemq/artemis-server

References