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Critical severity9.1NVD Advisory· Published Sep 10, 2026· Updated Sep 16, 2026

CVE-2026-49364

CVE-2026-49364

Description

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake.

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 the issue.

AI Insight

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

Affected products

3
  • 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: 2.50.0 - 2.56.0
  • Apache/Activemq Artemisllm-fuzzy
    Range: 1.0.0 - 2.44.0

Patches

Vulnerability mechanics

References

2

News mentions

1