What is CVE-2026-53916?

CVE-2026-53916 is a high-severity vulnerability in Apache Software Foundation Activemq, classified under CWE-789. CVSS score: 7.5/10. Published 2026-06-30.

How severe is CVE-2026-53916?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Apache Software Foundation Activemq

CVE-2026-53916

Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp. An unauthenticated client that opens a STOMP NIO connection can send header bytes that never terminate which makes…

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Software Foundation Activemq — versions 0, 6.0.0
Apache Software Foundation Activemq All — versions 0, 6.0.0
Apache Software Foundation Activemq Stomp — versions 0, 6.0.0

Weakness classification (CWE)

CWE-789

References

security@apache.org (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-53916?: CVE-2026-53916 is a high-severity vulnerability in Apache Software Foundation Activemq, classified under CWE-789. CVSS score: 7.5/10. Published 2026-06-30.
How severe is CVE-2026-53916?: High severity. CVSS v3 base score is 7.5 out of 10.