Vulnerability in Apache Activemq
CVE-2026-49270
Exposure of Sensitive Information Through Metadata vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Brokers that are configured with a network connector with syncDurableSubs set to true, are vulnerable to an…
EPSS: 0.001 (25.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Apache Activemq
- Apache Activemq_broker
- Apache Software Foundation Activemq — versions 5.14.0, 6.0.0
- Apache Software Foundation Activemq All — versions 5.14.0, 6.0.0
- Apache Software Foundation Activemq Broker — versions 5.14.0, 6.0.0
Weakness classification (CWE)
References
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-49270?
- CVE-2026-49270 is a medium-severity vulnerability in Apache Activemq, classified under CWE-1230. CVSS score: 5.9/10. Published 2026-06-01.
- How severe is CVE-2026-49270?
- Medium severity. CVSS v3 base score is 5.9 out of 10.