THREAT OPS › Threat News › CVE-2026-49363: Apache Artemis, Apache ActiveMQ Artemis: Pre-Authentication Information Disclosure in CORE Protocol Topology Subscription
CVE-2026-49363: Apache Artemis, Apache ActiveMQ Artemis: Pre-Authentication Information Disclosure in CORE Protocol Topology Subscription
<p>Posted by Clebert Suconic on Sep 09</p>Severity: moderate <br /> <br /> Affected versions:<br /> <br /> - Apache Artemis (org.apache.artemis:artemis-server) 2.50.0 through 2.56.0<br /> - Apache ActiveMQ Artemis (org.apache.activemq:artemis-server) 1.0.0 through 2.44.0<br /> <br /> Description:<br /> <br /> An unauthenticated remote attacker connecting with the CORE protocol can discover cluster
Indicators of compromise
- CVE-2026-49363cve
Original source: https://seclists.org/oss-sec/2026/q3/695