Improper input validation in Apache ActiveMQ Broker
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 11 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apache | Apache ActiveMQ Broker | before 5.19.8; 6.0.0 to before 6.2.7 | 5.19.8, 6.2.7 | Patch available | CNA |
| Apache | Apache ActiveMQ | before 5.19.8; 6.0.0 to before 6.2.7 | 5.19.8, 6.2.7 | Patch available | CNA |
| Apache | Apache ActiveMQ All | before 5.19.8; 6.0.0 to before 6.2.7 | 5.19.8, 6.2.7 | Patch available | CNA |
| — | org.apache.activemq:activemq-broker (Maven) | before 5.19.8 | 5.19.8 | Patch available | GHSA-h5gm-rvw6-2xpx |
| — | org.apache.activemq:activemq-broker (Maven) | 6.0.0 to before 6.2.7 | 6.2.7 | Patch available | GHSA-h5gm-rvw6-2xpx |
| — | org.apache.activemq:apache-activemq (Maven) | before 5.19.8 | 5.19.8 | Patch available | GHSA-h5gm-rvw6-2xpx |
| — | org.apache.activemq:apache-activemq (Maven) | 6.0.0 to before 6.2.7 | 6.2.7 | Patch available | GHSA-h5gm-rvw6-2xpx |
| — | org.apache.activemq:activemq-all (Maven) | before 5.19.8 | 5.19.8 | Patch available | GHSA-h5gm-rvw6-2xpx |
| — | org.apache.activemq:activemq-all (Maven) | 6.0.0 to before 6.2.7 | 6.2.7 | Patch available | GHSA-h5gm-rvw6-2xpx |
- Apache ActiveMQ Broker VendorApache Affected before 5.19.8; 6.0.0 to before 6.2.7 Fixed in 5.19.8, 6.2.7 Patch available CNA
- Apache ActiveMQ VendorApache Affected before 5.19.8; 6.0.0 to before 6.2.7 Fixed in 5.19.8, 6.2.7 Patch available CNA
- Apache ActiveMQ All VendorApache Affected before 5.19.8; 6.0.0 to before 6.2.7 Fixed in 5.19.8, 6.2.7 Patch available CNA
- org.apache.activemq:activemq-broker (Maven) Vendor— Affected before 5.19.8 Fixed in 5.19.8 Patch available GHSA-h5gm-rvw6-2xpx
- org.apache.activemq:activemq-broker (Maven) Vendor— Affected 6.0.0 to before 6.2.7 Fixed in 6.2.7 Patch available GHSA-h5gm-rvw6-2xpx
- org.apache.activemq:apache-activemq (Maven) Vendor— Affected before 5.19.8 Fixed in 5.19.8 Patch available GHSA-h5gm-rvw6-2xpx
- org.apache.activemq:apache-activemq (Maven) Vendor— Affected 6.0.0 to before 6.2.7 Fixed in 6.2.7 Patch available GHSA-h5gm-rvw6-2xpx
- org.apache.activemq:activemq-all (Maven) Vendor— Affected before 5.19.8 Fixed in 5.19.8 Patch available GHSA-h5gm-rvw6-2xpx
- org.apache.activemq:activemq-all (Maven) Vendor— Affected 6.0.0 to before 6.2.7 Fixed in 6.2.7 Patch available GHSA-h5gm-rvw6-2xpx
Remediation
- Fix · CNA Apache ActiveMQ Broker (Apache Software Foundation) Fixed in 5.19.8, 6.2.7
- Fix · CNA Apache ActiveMQ (Apache Software Foundation) Fixed in 5.19.8, 6.2.7
- Fix · CNA Apache ActiveMQ All (Apache Software Foundation) Fixed in 5.19.8, 6.2.7
- Fix · GHSA-h5gm-rvw6-2xpx org.apache.activemq:activemq-broker (Maven) Fixed in 5.19.8 Advisory →
- Fix · GHSA-h5gm-rvw6-2xpx org.apache.activemq:activemq-broker (Maven) Fixed in 6.2.7 Advisory →
- Fix · GHSA-h5gm-rvw6-2xpx org.apache.activemq:apache-activemq (Maven) Fixed in 5.19.8 Advisory →
- Fix · GHSA-h5gm-rvw6-2xpx org.apache.activemq:apache-activemq (Maven) Fixed in 6.2.7 Advisory →
- Fix · GHSA-h5gm-rvw6-2xpx org.apache.activemq:activemq-all (Maven) Fixed in 5.19.8 Advisory →
- Fix · GHSA-h5gm-rvw6-2xpx org.apache.activemq:activemq-all (Maven) Fixed in 6.2.7 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apache ActiveMQ 5.19.8, 6.2.7
9 records Highest priority Priority MEDIUM 7 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2026-39329 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeoverPriority MEDIUM 40
- TI-2026-38893 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker…Priority MEDIUM 40
- TI-2026-38892 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codecPriority MEDIUM 40
- Release ·
Apache ActiveMQ All 5.19.8, 6.2.7
7 records Highest priority Priority MEDIUM 7 MEDIUM
Other records, highest priority first
- TI-2026-39329 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeoverPriority MEDIUM 40
- TI-2026-38893 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker…Priority MEDIUM 40
- TI-2026-38892 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in STOMP NIO codecPriority MEDIUM 40
Show 1 more group
- Release ·
Apache ActiveMQ Broker 5.19.8, 6.2.7
4 records Highest priority Priority MEDIUM 4 MEDIUM
Other records, highest priority first
- TI-2026-39329 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeoverPriority MEDIUM 40
- TI-2026-38893 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker…Priority MEDIUM 40
- TI-2026-37413 Uncontrolled resource consumption in Apache ActiveMQ BrokerPriority MEDIUM 40
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat AMQ Broker 7 | Affected | No fix yet: Fix deferred |
| Red Hat AMQ Clients | Affected | No fix yet: Fix deferred |
| Red Hat Data Grid 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Fuse 7 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform 7 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform 8 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Enterprise Application Platform Expansion Pack | Affected | No fix yet: Fix deferred |
| Red Hat Satellite 6 | Affected | No fix yet: Fix deferred |
| Red Hat Single Sign-On 7 | Affected | No fix yet: Fix deferred |
| Red Hat build of Apache Camel for Spring Boot 4 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-49434
- 2026-10-03 Alias added: GHSA-h5gm-rvw6-2xpx
- 2026-10-28 EPSS moved to the 50th–90th percentile
- 2026-11-04 Fix available: Maven/org.apache.activemq:[email protected], Maven/org.apache.activemq:[email protected], Maven/org.apache.activemq:[email protected] +3 · GHSA-h5gm-rvw6-2xpx
- 2026-11-04 CVSS score added · GHSA-h5gm-rvw6-2xpx
- 2026-11-04 Weakness changed · GHSA-h5gm-rvw6-2xpx
- 2026-11-04 10 new references · GHSA-h5gm-rvw6-2xpx
References
Advisory 3
Other 7
- https://github.com/apache/activemq/pull/2077
- https://github.com/apache/activemq/commit/0927bcb99e18c517728898be9f125589653ee899
- https://github.com/apache/activemq/commit/ac3d06454bdf8b21db7ef419f42d17ab124a6008
- https://github.com/apache/activemq/commit/f055bcc1dcd4a4a76b731fef43829fff515a7fbf
- https://github.com/apache/activemq
- https://github.com/apache/activemq/releases/tag/activemq-5.19.8
- https://github.com/apache/activemq/releases/tag/activemq-6.2.7
More Apache Activemq vulnerabilities
- TI-2023-25106 Deserialization of untrusted data in Apache ActiveMQ KEVCVSS 3.1CRITICAL 10.0
- TI-2016-02587 The Fileserver web application in Apache ActiveMQ 5.x before 5.14.0 allows remote… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-26494 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Authenticated users could perform RCE via Jolokia MBeans KEVCVSS 3.1HIGH 8.8
- TI-2013-05951 Xstream API versions up to 1.4.6 and version 1.4.10, if the security framework has not… CVSS 3.1CRITICAL 9.8
- TI-2021-04451 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.1
- TI-2021-04446 XStream is vulnerable to an Arbitrary Code Execution attack CVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-49434 · CVE Program
- CVE-2026-49434 · NVD
- FIRST EPSS
- GHSA-h5gm-rvw6-2xpx · GitHub Advisory Database · CC BY 4.0
- CVE-2026-49434 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences