Is CVE-2026-41043 actively exploited?

No active exploitation of CVE-2026-41043 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-41043 be exploited remotely?

Yes. CVE-2026-41043 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-41043?

CVE-2026-41043 has a CVSS score of 6.5 (MEDIUM).

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MEDIUM

CVE-2026-41043

CWE-79Published: April 24, 2026· Updated: Apr 27, 2026

6.5

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.4th

Official 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.

NVD Source

Technical Analysis

CVE-2026-41043 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.