What is CVE-2026-41043?

CVE-2026-41043 is a medium-severity vulnerability in Apache Activemq, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-04-24.

How severe is CVE-2026-41043?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Apache Activemq

CVE-2026-41043

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Apache ActiveMQ, Apache ActiveMQ Web. An authenticated attacker can show malicious content when browsing queues in the web console by overridin…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (42.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Apache Activemq
Apache Activemq_web
Apache Software Foundation Activemq — versions 0, 6.0.0
Apache Software Foundation Activemq Web — versions 0, 6.0.0

Weakness classification (CWE)

References

security@apache.org (vendor-advisory, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List)

Frequently asked questions

What is CVE-2026-41043?: CVE-2026-41043 is a medium-severity vulnerability in Apache Activemq, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2026-04-24.
How severe is CVE-2026-41043?: Medium severity. CVSS v3 base score is 6.5 out of 10.