CVE-2026-33227
org.apache.activemq/activemq-client: org.apache.activemq/activemq-broker: org.apache.activemq/activemq-all: org.apache.activemq/activemq-web: improper limitation of a pathname to a restricted classpath directory
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · April 7, 2026
Updated · July 3, 2026
Description
A flaw was found in Apache ActiveMQ Client, Apache ActiveMQ Broker and Apache ActiveMQ All. A path traversal vulnerability, specifically an improper limitation of a pathname to a restricted directory, allows an authenticated user to manipulate input to traverse the classpath of the application, leading to an unauthorized classpath resource loading issue.
Statement
To exploit this issue, an attacker must have valid credentials to create a Stomp consumer or log into the Web console. Additionally, this flaw only allows an authenticated user to read files from the classpath of the application, there is no impact to the availability or the integrity of the application. Due to these reasons, this vulnerability has been rated with a moderate severity.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')