Critical

Improper Restriction of XML External Entity Reference in Apache ActiveMQ

  • Disclosed: 14.05.2022
  • Updated: 11.10.2026 11:22

XML external entity (XXE) vulnerability in Apache ActiveMQ 5.x before 5.10.1 allows remote consumers to have unspecified impact via vectors involving an XPath based selector when dequeuing XML messages.

Affected software

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PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) org.apache.activemq:activemq-broker >= 5.0.0, < 5.10.1 5.10.1
Java / Kotlin (Maven) org.apache.activemq:activemq-client >= 5.0.0, < 5.10.1 5.10.1

References

CVSS score 9.8/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-611
Platform
Java / Kotlin (Maven)
Package
org.apache.activemq:activemq-broker, org.apache.activemq:activemq-client
Disclosed
14.05.2022
Updated
11.10.2026 11:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-4vhf-2hv7-8mrx - CC BY 4.0

Vulnerability history: org.apache.activemq:activemq-broker

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (12) in the archive
Total entries
12
First → latest
05.2022 06.2026
Without a fix
0
Exploited in attacks
1

Severity breakdown

  • Critical 1
  • High 7
  • Medium 4

Disclosures per year

  1. 2022: 3
  2. 2023: 0
  3. 2024: 0
  4. 2025: 0
  5. 2026: 9
Severity:
  1. High · 8.8 CVE-2026-45505 < 5.19.7, >= 6.0.0, < 6.2.6 5.19.7, 6.2.6
  2. High · 8.1 CVE-2026-42588 < 5.19.7, >= 6.0.0, < 6.2.6 5.19.7, 6.2.6
  3. High · 8.8 CVE-2026-40466 < 5.19.6, >= 6.0.0, < 6.2.5 5.19.6, 6.2.5
  4. High · 8.8 CVE-2026-41044 < 5.19.6, >= 6.0.0, < 6.2.5 5.19.6, 6.2.5
  5. High · 7.5 CVE-2026-39304 < 5.19.4, >= 6.0.0, < 6.2.4 5.19.4, 6.2.4
  6. High · 8.8 Exploited in attacks CVE-2026-34197 < 5.19.5, >= 6.0.0, < 6.2.3 5.19.5, 6.2.3
  7. High CVE-2014-3612 >= 5.0.0, < 5.10.1 5.10.1
  8. Improper Restriction of XML External Entity Reference in Apache ActiveMQ this entry
    Critical · 9.8 CVE-2014-3600 >= 5.0.0, < 5.10.1 5.10.1

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