VDB
CVE-2026-49363
CVE-2026-49363
PUBLISHED
CVSS 7.5 HIGH
Reported by apache · Published September 10, 2026
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Artemis | 2.50.0 |
| Apache Software Foundation | Apache ActiveMQ Artemis | 1.0.0 |
| Apache Software Foundation | Apache ActiveMQ Artemis | 1.0.0 |
| Apache Software Foundation | Apache Artemis | 2.50.0 |
Timeline
- Sep 10, 2026 EPSS Score
- Sep 10, 2026 Coalition ESS Score
- Sep 10, 2026 CVE Published
- Sep 11, 2026 EPSS Score
- Sep 11, 2026 Distribution Patch
- Sep 11, 2026 Security Advisory
- Sep 11, 2026 Distribution Patch
- Sep 11, 2026 Security Advisory
- Sep 15, 2026 EPSS Score
- Sep 16, 2026 EPSS Score
- Sep 18, 2026 EPSS Score
- Sep 22, 2026 Distribution Patch
References
- vendor-advisory
- http://www.openwall.com/lists/oss-security/2026/09/10/2 url