7.5

CVE-2026-49363

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

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Apache ≫ Artemis Version >= 1.0.0 < 2.44.0
Apache ≫ Artemis Version >= 2.50.0 < 2.57.0
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.4% 0.34
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-306 Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

https://lists.apache.org/thread/syjch88zw6pfdoso9vs46m23xkgxjbxo
Vendor Advisory
Mailing List
http://www.openwall.com/lists/oss-security/2026/09/10/2
Third Party Advisory
Mailing List