Medium 6.5Published Sep 10, 2026

CVE-2026-75880Apache Artemis, Apache ActiveMQ Artemis: Message selector wildcard handling could lead to denial of service

Updated under an hour ago (2026-10-19 11:10 UTC)

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It affects Apache Software Foundation Apache Artemis and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache Artemis

Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-1333
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Sep 18, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache Artemis apache_software_foundation:apache_artemis (from the name)	from 2.50.0 through 2.56.0	CNA record
Apache Software Foundation Apache ActiveMQ Artemis apache_software_foundation:apache_activemq_artemis (from the name)	from 1.0.0 through 2.44.0	CNA record
apache artemis apache:artemis	from 1.0.0 before 2.44.0; from 2.50.0 before 2.57.0	NVD

References

https://lists.apache.org/thread/db34g9qoxd8p08086cr95683fkb8wm5rvendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/09/10/7mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.