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Medium severity6.5NVD Advisory· Published Sep 10, 2026· Updated Sep 18, 2026

CVE-2026-75880

CVE-2026-75880

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4
  • Apache/Activemq Artemisinferred2 versions
    >=1.0.0,<2.45.0+ 1 more
    • (no CPE)range: >=1.0.0,<2.45.0
    • (no CPE)range: from 1.0.0 through 2.44.0
  • Apache/Artemis2 versions
    cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:apache:artemis:*:*:*:*:*:*:*:*range: >=1.0.0,<2.44.0
    • (no CPE)range: from 2.50.0 through 2.56.0

Patches

Vulnerability mechanics

References

2

News mentions

1