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CVE-2026-49877— Apache ActiveMQ: Authenticated web users retain admin access by default in the Web Console

Quick assessment

Affected
Apache Software Foundation Apache ActiveMQ
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 ActiveMQ是Apache基金会的一款消息队列中间件。 Apache ActiveMQ存在授权问题漏洞，该漏洞源于授权不当，可能导致经过身份验证的低权限Web Console用户默认能访问/admin/*路径，而Jetty默认设置未正确限制这些路径仅允许管理员访问。以下版本受到影响：5.19.8之前版本和6.0.0至6.2.7之前版本。

AI Predicted 6.5 Difficulty: Easy EPSS 0.51% · P42

Affected Version Matrix 2

VendorProduct Version RangeStatus
Apache Software Foundation Apache ActiveMQ < 5.19.8 affected
6.0.0< 6.2.7 affected
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I. Basic Information for CVE-2026-49877

Vulnerability Information
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Vulnerability Title
Apache ActiveMQ: Authenticated web users retain admin access by default in the Web Console
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Authorization vulnerability in Apache ActiveMQ. An authenticated low-privilege Web Console user by default can access /admin/* paths in the Web Console. The default Jetty settings incorrectly did not limit those paths to only admins. This issue affects Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7. Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache ActiveMQ 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache ActiveMQ是Apache基金会的一款消息队列中间件。 Apache ActiveMQ存在授权问题漏洞，该漏洞源于授权不当，可能导致经过身份验证的低权限Web Console用户默认能访问/admin/*路径，而Jetty默认设置未正确限制这些路径仅允许管理员访问。以下版本受到影响：5.19.8之前版本和6.0.0至6.2.7之前版本。
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 ActiveMQ 0 ~ 5.19.8 -

II. Public POCs for CVE-2026-49877

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III. Intelligence Information for CVE-2026-49877

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Mailing List Discussions for CVE-2026-49877 (1)

Same Patch Batch · Apache Software Foundation · 2026-06-30 · 10 CVEs total

CVE-2026-54475 Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination owners
CVE-2026-53917 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Client, Apache ActiveMQ Broker: Unbo
CVE-2026-53916 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: Unbounded header buffer in ST
CVE-2026-52760 Apache ActiveMQ, Apache ActiveMQ Web Console: Stored XSS via Unescaped values in ActiveMQ
CVE-2026-50750 Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire
CVE-2026-50734 Apache ActiveMQ Client, Apache ActiveMQ, Apache ActiveMQ All: Pre-authentication OpenWire
CVE-2026-49432 Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: STOMP negative content-length
CVE-2026-49434 Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: LdapNetworkConnector instant
CVE-2025-53648 Apache Gravitino: SQL misconfiguration can access or truncate files

IV. Related Vulnerabilities

Same product: Apache ActiveMQ
Same vendor: Apache Software Foundation
Same weakness: CWE-285

V. Comments for CVE-2026-49877

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