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CVE-2026-49364— Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Authentication Cluster Credential Exposure to Discovered Peers

Quick assessment

Affected
Apache Software Foundation Apache Artemis
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Artemis是美国Apache基金会开源的一款支持多种消息协议的高性能消息代理软件。 Apache Artemis 2.50.0版本至2.56.0版本和Apache ActiveMQ Artemis 1.0.0版本至2.44.0版本存在授权问题漏洞，该漏洞源于缺少身份验证，未经身份验证的邻近网络攻击者可利用发现机制在初始集群连接握手期间捕获集群管理凭据，可能导致凭据泄露。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.57% · P47

Affected Version Matrix 4

VendorProduct Version RangeStatus
Apache Software Foundation Apache ActiveMQ Artemis 1.0.0≤ 2.44.0 affected
1.0.0≤ 2.44.0 affected
Apache Software Foundation Apache Artemis 2.50.0≤ 2.56.0 affected
2.50.0≤ 2.56.0 affected
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I. Basic Information for CVE-2026-49364

Vulnerability Information
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Vulnerability Title
Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Authentication Cluster Credential Exposure to Discovered Peers
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Artemis 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Artemis是美国Apache基金会开源的一款支持多种消息协议的高性能消息代理软件。 Apache Artemis 2.50.0版本至2.56.0版本和Apache ActiveMQ Artemis 1.0.0版本至2.44.0版本存在授权问题漏洞，该漏洞源于缺少身份验证，未经身份验证的邻近网络攻击者可利用发现机制在初始集群连接握手期间捕获集群管理凭据，可能导致凭据泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Artemis 2.50.0 ~ 2.56.0 -
Apache Software Foundation Apache Artemis 2.50.0 ~ 2.56.0 -
Apache Software Foundation Apache ActiveMQ Artemis 1.0.0 ~ 2.44.0 -
Apache Software Foundation Apache ActiveMQ Artemis 1.0.0 ~ 2.44.0 -

II. Public POCs for CVE-2026-49364

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III. Intelligence Information for CVE-2026-49364

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Mailing List Discussions for CVE-2026-49364 (1)

Same Patch Batch · Apache Software Foundation · 2026-09-10 · 11 CVEs total

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CVE-2026-80351 Apache Camel K: Camel K Tenant repositories reach Maven execution inside operator pod
CVE-2026-80352 Apache Camel K: Camel K Master trait serviceAccountName YAML injection lets CR author appl
CVE-2026-84939 Apache FreeMarker, Apache FreeMarker: A malformed locale may be exploitable for path trave
CVE-2026-49362 Apache Artemis, Apache ActiveMQ Artemis: Missing Authentication in CORE Protocol Handler A
CVE-2026-49363 Apache Artemis, Apache ActiveMQ Artemis: Pre-Authentication Information Disclosure in CORE
CVE-2026-57822 Apache Artemis, Apache ActiveMQ Artemis: Message-based management parameter deserializatio
CVE-2026-57967 Apache Artemis, Apache ActiveMQ Artemis: Missing authentication on CORE protocol session r
CVE-2026-67593 Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-auth
CVE-2026-75880 Apache Artemis, Apache ActiveMQ Artemis: Message selector wildcard handling could lead to

IV. Related Vulnerabilities

Same product: Apache Artemis
Same vendor: Apache Software Foundation
Same weakness: CWE-306