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CVE-2026-42253GHSA-8WM6-6FQH-PHMCBIT-ACTIVEMQ-2026-42253

Apache ActiveMQ, Apache ActiveMQ Web: HTTP Response Header Injection via JMS Message Properties

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.19.7, 6.2.6
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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. The MessageServlet has now been deprecated and disabled by default.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • org.apache.activemq:apache-activemq

    fixed in 5.19.7; From 6.0.0 · fixed in 6.2.6

  • org.apache.activemq:activemq-web

    fixed in 5.19.7; From 6.0.0 · fixed in 6.2.6

  • org.apache.activemq:apache-activemqMaven

    fixed in 5.19.7

  • org.apache.activemq:apache-activemqMaven

    From 6.0.0 · fixed in 6.2.6

  • org.apache.activemq:activemq-webMaven

    fixed in 5.19.7

  • org.apache.activemq:activemq-webMaven

    From 6.0.0 · fixed in 6.2.6

References 1

lists.apache.org