Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Activemq | < 5.19.8 |
| Apache | Activemq Broker | < 5.19.8 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/hcjh7kdk4l85tb9ksmvcnkhso1ngj50oVendor Advisory
- http://www.openwall.com/lists/oss-security/2026/06/29/8Third Party Advisory
FAQ
What is CVE-2026-49434?
CVE-2026-49434 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 sea...
How severe is CVE-2026-49434?
CVE-2026-49434 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-49434?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Activemq, Apache Activemq Broker.