Vulnerability record · CVE-2026-41043 · published 24 April 2026

CVE-2026-41043: Apache activemq cross-site scripting vulnerability

Apache · Activemq

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 overriding the content type to be HTML (instead of XML) and by injecting HTML into a JMS selector field. This issue affects Apache ActiveMQ: before 5.19.6, from 6.0.0 before 6.2.5; Apache ActiveMQ Web: before 5.19.6, from 6.0.0 before 6.2.5. Users are recommended to upgrade to version 6.2.5 or 5.19.6, which fixes the issue.

6.5 CVSS 3.1 Medium EPSS 0.56% · top 52.8% CWE-79 · Cross-site scriptingCWE-915 · Mass assignment

6.5CVSS 3.1 base score

0.56%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

2References

26 Oct 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Activemq Apache

Activemq Web Apache

References

Link	Tags
https://activemq.apache.org/security-advisories.data/CVE-2026-41043-announcement.txt	Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/04/23/5	Mailing List

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-41043), CISA KEV, FIRST EPSS (scores of 2026-11-14). This page is refreshed as NVD updates the record.