CVE-2026-75880

published 2026-09-10

CVE-2026-75880: An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery…

Priority P4 33 medium 6.5 CVSS 3.1

AV N AC L PR L UI N S U C N I N A H

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service.

This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0.

Users are recommended to upgrade to version 2.57.0, which fixes this issue.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
apache_software_foundation	apache_activemq_artemis	1.0.0 – 2.44.0	—
apache_software_foundation	apache_artemis	2.50.0 – 2.56.0	—

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.

CWE-1333