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.
Analysis
Analysis and contextual insights are available on OpenCVE Cloud.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache Artemis | unaffected |
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| Apache Software Foundation | Apache ActiveMQ Artemis | unaffected |
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No data available yet.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Thu, 10 Sep 2026 06:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
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Thu, 10 Sep 2026 05:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Apache Artemis, Apache ActiveMQ Artemis: Pre-Authentication Information Disclosure in CORE Protocol Topology Subscription | |
| Weaknesses | CWE-306 | |
| References |
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Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-09-10T05:11:23.010Z
Reserved: 2026-05-29T16:33:06.443Z
Link: CVE-2026-49363
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-10T05:17:01.123
Modified: 2026-09-10T06:17:05.290
Link: CVE-2026-49363
Redhat
No data.
OpenCVE Enrichment
Updated: 2026-09-10T06:30:05Z
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CWE-306
Missing Authentication for Critical Function