CVE-2026-54475 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeover
Attackers can consume messages from other connections' temporary destinations due to missing server-side authorization checks in Apache ActiveMQ.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-54475?
CVE-2026-54475 is a high-severity missing authorization vulnerability in Apache Activemq, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ.
Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing a different connection to consume from another connection's temporary destination. This issue affects Apache ActiveMQ Broker: 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; Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7.
Users are recommended to upgrade to version 6.2.7, which fixes the issue.
Weakness: CWE-862
Which versions are affected by CVE-2026-54475?
1 open source package ship an affected version, including activemq. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
activemq Bitnami | All versions | 5.19.8, 6.2.7 |
Products include Apache Activemq, Apache Activemq Broker.
How do I fix CVE-2026-54475?
Upgrade activemq to a fixed version for your release line: 5.19.8 or 6.2.7.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-54475 being exploited?
There is no known exploitation of CVE-2026-54475 in the wild and no public exploit code.
Other vulnerabilities in Apache Activemq
Sources
Also known as BIT-activemq-2026-54475, DEBIAN-CVE-2026-54475, GHSA-mhp6-f224-j2c3, MINI-4qfp-7mc9-cwxh, MINI-9whv-xw56-ph96, MINI-f7cq-2c27-vqq6 and 2 more.