Is CVE-2026-40914 actively exploited?

No active exploitation of CVE-2026-40914 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-40914 be exploited remotely?

Yes. CVE-2026-40914 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-40914?

CVE-2026-40914 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-40914

CWE-863Published: May 28, 2026· Updated: May 29, 2026

4.3

CVSS v3.1

EPSS:0.12%probability of exploitation in 30 daysPercentile:31.1th

Official Description

A vulnerability exists in Apache Artemis whereby an application using the STOMP protocol with security credentials that grant either the consume or send permission on an address can augment the routing-type supported by that address even if said user doesn't have the createAddress permission for that particular address. A user could successfully send a message to an address or consume a message from a queue with a routing-type not supported by the corresponding address when that operation should actually be rejected on the basis that the user doesn't have permission to change the routing-type of the address. Even though the user was already granted permission to send and/or consume messages, they should not be able to augment the routing-type of the address without the createAddress permission.

This issue affects Apache Artemis: from 2.50.0 through 2.53.0; Apache ActiveMQ Artemis: from 2.0.0 through 2.44.0.

Users are recommended to upgrade to version 2.54.0, which fixes the issue.

NVD Source

Technical Analysis

CVE-2026-40914 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.