CVE-2026-41043

NameCVE-2026-41043
DescriptionImproper 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1136024

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
activemq (PTS)bullseye5.16.1-1vulnerable
bullseye (security)5.16.1-1+deb11u2vulnerable
bookworm, bookworm (security)5.17.2+dfsg-2+deb12u1vulnerable
sid, trixie5.17.6+dfsg-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
activemqsource(unstable)(unfixed)1136024

Notes

https://www.openwall.com/lists/oss-security/2026/04/23/5
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