Inefficient Algorithmic Complexity in Apache ActiveMQ Artemis and Apache Artemis - CVE-2026-75880
Published: September 10, 2026
Vulnerability identifier: #VU148874
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-75880
CWE-ID: CWE-407
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in message selector wildcard handling when evaluating a consumer selector containing crafted wildcard usage during message delivery attempts. A remote user can attach a consumer with a crafted wildcard selector to cause a denial of service.
Affected software
Apache ActiveMQ Artemis
Apache Artemis
Apache Artemis
How to mitigate CVE-2026-75880
Install security update from vendor's website.
Apache Artemis - update to 2.57.0