CVE-2026-41043

MEDIUM

Apache ActiveMQ, Apache ActiveMQ Web: ActiveMQ Web Console - XSS vulnerability when browsing queues

Title source: cna

Description

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.

References (2)

[Vendor Advisory] https://activemq.apache.org/security-advisories.data/CVE-2026-41043-announcement.txt

[Mailing List] http://www.openwall.com/lists/oss-security/2026/04/23/5

Scores

CVSS v3 6.5

EPSS 0.0003

EPSS Percentile 8.5%

Attack Vector NETWORK

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

Details

CWE

CWE-79 CWE-915

Status published

Products (4)

Apache Software Foundation/Apache ActiveMQ < 5.19.6

Apache Software Foundation/Apache ActiveMQ 6.0.0 - 6.2.5

Apache Software Foundation/Apache ActiveMQ Web < 5.19.6

Apache Software Foundation/Apache ActiveMQ Web 6.0.0 - 6.2.5

Published Apr 24, 2026

Tracked Since Apr 24, 2026