πŸ›‘οΈ CVE-2026-42253
🟑 CVSS 6.1 β€” Medium βœ… No Known Exploit NVD
6.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Apache ActiveMQ, Apache ActiveMQ Web. The MessageServlet in the ActiveMQ web console API copies every JMS message property into an HTTP response header without any validation. This can allow overwriting and injecting security headers by setting them on JMS messages that are returned by the servlet. This issue affects Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ Web: before 5.19.7, from 6.0.0 before 6.2.6. Users are recommended to upgrade to version 5.19.7 or 6.2.6, which fixes the issue.Β The MessageServlet has now been deprecated and disabled by default.

Details

Severity MEDIUM
CVSS Score 6.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE N/A
Public Exploit βœ… No
Source NVD
Published 2026-06-05
Updated 2026-06-15
Modified 2026-06-05
Fix URL N/A

Affected Packages

Software From version Fixed in
activemq β€” β€”
activemq-web 6.0.0 6.2.6

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