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CVE-2026-57967— Apache Artemis, Apache ActiveMQ Artemis: Missing authentication on CORE protocol session reattachment

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，该漏洞源于未认证的远程攻击者可构造CORE协议SESSION_REATTACH数据包窃取现有会话，并冒充先前已认证的会话继续执行。

AI Predicted 8.1 Difficulty: Easy EPSS 1.47% · P74

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 2

VendorProduct Version RangeStatus
Apache Software Foundation Apache ActiveMQ Artemis 1.0.0≤ 2.44.0 affected
Apache Software Foundation Apache Artemis 2.50.0≤ 2.56.0 affected
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I. Basic Information for CVE-2026-57967

Vulnerability Information
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Vulnerability Title
Apache Artemis, Apache ActiveMQ Artemis: Missing authentication on CORE protocol session reattachment
Source: CVE Program / CVE List V5
Vulnerability Description
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 1.0.0 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，该漏洞源于未认证的远程攻击者可构造CORE协议SESSION_REATTACH数据包窃取现有会话，并冒充先前已认证的会话继续执行。
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 ActiveMQ Artemis 1.0.0 ~ 2.44.0 -

II. Public POCs for CVE-2026-57967

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III. Intelligence Information for CVE-2026-57967

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Mailing List Discussions for CVE-2026-57967 (1)

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

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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-2026-49364 Apache Artemis, Apache Artemis, Apache ActiveMQ Artemis, Apache ActiveMQ Artemis: Pre-Auth
CVE-2026-57822 Apache Artemis, Apache ActiveMQ Artemis: Message-based management parameter deserializatio
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