An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unauthorized broker state manipulation and potential denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 thro...
Product
org.apache.artemis/artemis-server vulnerabilities
5 published CVES affecting org.apache.artemis/artemis-server, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 5
- Critical
- 3
- High
- 2
- Medium
- 0
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest org.apache.artemis/artemis-server CVEs
Newest publication first
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HighCVSS 7.5 EPSS 0.82%
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HighCVSS 7.5 EPSS 0.80%
An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by sending a SUBSCRIBE_TOPOLOGY request prior to authentication. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44....
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CriticalCVSS 9.1 EPSS 0.57%
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. Us...
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CriticalCVSS 9.8 EPSS 1.5%
An unauthenticated remote attacker can craft a CORE protocol SESSION_REATTACH packet to steal an existing session and assume ongoing execution of the previously authenticated session. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0...
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CVE-2026-27446 Apache Artemis, Apache ActiveMQ Artemis: Auth bypass for Core downstream federation
PublishedCriticalCVSS 9.3 EPSS 11.4%Missing Authentication for Critical Function (CWE-306) vulnerability in Apache Artemis, Apache ActiveMQ Artemis. An unauthenticated remote attacker can use the Core protocol to force a target broker to establish an outbound Core federation connection to an attacker-controlled rog...
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.