CVE-2026-33227
published 2026-04-07CVE-2026-33227: Improper validation and restriction of a classpath path name vulnerability in Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache…
medium4.3CVSS 3.1
AVNACLPRLUINSUCLINAN
Improper validation and restriction of a classpath path name vulnerability in
Apache ActiveMQ Client, Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ Web, Apache ActiveMQ.
In two instances (when creating a Stomp consumer and also browsing messages in the Web console) an authenticated user provided "key" value could be constructed to traverse the classpath due to path concatenation. As a result, the application is exposed to a classpath path resource loading vulnerability that could potentially be chained together with another attack to lead to exploit.
This issue affects Apache ActiveMQ Client: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ Broker: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ All: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ Web: before 5.19.3, from 6.0.0 before 6.2.2; Apache ActiveMQ: before 5.19.3, from 6.0.0 before 6.2.2.
Users are recommended to upgrade to version 5.19.4 or 6.2.3, which fixes the issue. Note: 5.19.3 and 6.2.2 also fix this issue, but that is limited to non-Windows environments due to a path separator resolution bug fixed in 5.19.4 and 6.2.3.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache | activemq | < 5.19.3 | 5.19.3 |
| apache | activemq | >= 6.0.0 < 6.2.2 | 6.2.2 |
| apache | activemq_broker | < 5.19.3 | 5.19.3 |
| apache | activemq_broker | >= 6.0.0 < 6.2.2 | 6.2.2 |
| apache | activemq_web | < 5.19.3 | 5.19.3 |
| apache | activemq_web | >= 6.0.0 < 6.2.2 | 6.2.2 |
| apache_software_foundation | apache_activemq | < 5.19.3 | 5.19.3 |
| apache_software_foundation | apache_activemq | >= 6.0.0 < 6.2.2 | 6.2.2 |
| apache_software_foundation | apache_activemq_all | < 5.19.3 | 5.19.3 |
| apache_software_foundation | apache_activemq_all | >= 6.0.0 < 6.2.2 | 6.2.2 |
| apache_software_foundation | apache_activemq_broker | < 5.19.3 | 5.19.3 |
| apache_software_foundation | apache_activemq_broker | >= 6.0.0 < 6.2.2 | 6.2.2 |
| apache_software_foundation | apache_activemq_client | < 5.19.3 | 5.19.3 |
| apache_software_foundation | apache_activemq_client | >= 6.0.0 < 6.2.2 | 6.2.2 |
| apache_software_foundation | apache_activemq_web | < 5.19.3 | 5.19.3 |
| apache_software_foundation | apache_activemq_web | >= 6.0.0 < 6.2.2 | 6.2.2 |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
osv4.3MEDIUM