CVE-2026-75880

6.5 mediumEPSS 0.7%

Medium (6.5) in apache artemis. EPSS 0.7% chance of exploitation in the next 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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-1333
Published: 2026-09-10
Modified: 2026-09-18
Record from: the NVD, synced 2026-10-19

Affected

apache:artemis

References

https://lists.apache.org/thread/db34g9qoxd8p08086cr95683fkb8wm5r
http://www.openwall.com/lists/oss-security/2026/09/10/7

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