https://seclists.org/oss-sec/2026/q2/1058: CVE-2026-49877: Apache ActiveMQ: Authenticated web users tain admin access by default in the Web Console
Published Jun 29, 2026
·Updated
Affected Software
2 affected components
Apache ActiveMQ<5.19.8
Apache ActiveMQ>=6.0.0<6.2.7
Frequently Asked Questions
1
What is the severity of CVE-2026-49877?
The severity of CVE-2026-49877 is classified as important.
2
Which versions of Apache ActiveMQ are affected by CVE-2026-49877?
CVE-2026-49877 affects Apache ActiveMQ versions before 5.19.8 and 6.0.0 before 6.2.7.
3
What type of vulnerability is CVE-2026-49877?
CVE-2026-49877 is an improper authorization vulnerability that allows authenticated low-privilege users access to admin features in the Web Console.
4
How do I fix CVE-2026-49877?
To fix CVE-2026-49877, upgrade Apache ActiveMQ to version 5.19.8 or 6.2.7 or later.
5
What risk does CVE-2026-49877 pose to users?
CVE-2026-49877 poses a risk of unauthorized admin access for low-privilege users in the Web Console, potentially leading to data exposure or manipulation.