Improper Authorization in ActiveMQ - CVE-2026-49877
Published: July 1, 2026
Vulnerability identifier: #VU136620
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-49877
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
ActiveMQ
ActiveMQ
Detailed vulnerability description
The vulnerability allows a remote user to access administrative functionality.
The vulnerability exists due to improper authorization in the Web Console /admin/* paths when handling requests from authenticated low-privilege Web Console users. A remote user can access /admin/* paths to access administrative functionality.
The issue is caused by default Jetty settings that do not restrict those paths to administrators only.
How to mitigate CVE-2026-49877
Install security update from vendor's website.