Description
Improper Input Validation vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All.
An attacker that has access to publish or modify entries in LDAP that match the configured searchBase and searchFilter can instantiate denied transports inside the broker JVM. This can be used to fetch an attacker URL and spawn a second BrokerService inside the same JVM.
This issue affects Apache ActiveMQ Broker: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7.
Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache ActiveMQ Broker | < 5.19.8, 6.0.0 – < 6.2.7 | 5.19.8 |
| Apache Software Foundation | Apache ActiveMQ | < 5.19.8, 6.0.0 – < 6.2.7 | 5.19.8 |
| Apache Software Foundation | Apache ActiveMQ All | < 5.19.8, 6.0.0 – < 6.2.7 | 5.19.8 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | activemq | No fix yet | — |
| Debian 12 | activemq | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | activemq | No fix yet | — |
| Ubuntu 26.04 LTS | activemq | No fix yet | — |
| Ubuntu 25.10 | activemq | No fix yet | — |
| Ubuntu 24.04 LTS | activemq | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | activemq | No fix yet | — |
| Ubuntu Pro 20.04 LTS | activemq | No fix yet | — |
| Ubuntu Pro 18.04 LTS | activemq | No fix yet | — |
| Ubuntu Pro 16.04 LTS | activemq | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.activemq:activemq-all | < 5.19.8 | 5.19.8 | GHSA-h5gm-rvw6-2xpx |
| Maven | org.apache.activemq:activemq-all | >= 6.0.0, < 6.2.7 | 6.2.7 | GHSA-h5gm-rvw6-2xpx |
| Maven | org.apache.activemq:activemq-broker | < 5.19.8 | 5.19.8 | GHSA-h5gm-rvw6-2xpx |
| Maven | org.apache.activemq:activemq-broker | >= 6.0.0, < 6.2.7 | 6.2.7 | GHSA-h5gm-rvw6-2xpx |
| Maven | org.apache.activemq:apache-activemq | < 5.19.8 | 5.19.8 | GHSA-h5gm-rvw6-2xpx |
| Maven | org.apache.activemq:apache-activemq | >= 6.0.0, < 6.2.7 | 6.2.7 | GHSA-h5gm-rvw6-2xpx |
Advisories 3
- WID-SEC-2026-4056 Atlassian Produkte (Bamboo, Bitbucket, Confluence, Crucible, Fisheye und Jira): Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026
- WID-SEC-2026-2124 Apache ActiveMQ: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 21, 2026
- WID-SEC-2026-3043 IBM QRadar SIEM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 17, 2026
References
- https://lists.apache.org/thread/hcjh7kdk4l85tb9ksmvcnkhso1ngj50o vendor-advisory