CVE-2026-75880
Last modified
CVE-2026-75880 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.16% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Artemis | >= 2.50.0, <= 2.56.0 |
| Apache Software Foundation | Apache ActiveMQ Artemis | >= 1.0.0, <= 2.44.0 |
References
Timeline
- Published
- Last Modified
- Status
- Undergoing Analysis
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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