CVE-2026-49364

Published: Sep 10, 2026Modified: Sep 16, 2026

9.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitability: 3.9 / Impact: 5.2

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credentials during the initial cluster connection handshake. 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.

Affected (2)

Products: Apache: Artemis

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Apache Artemis	1.0.0 ≤ version < 2.44.0
Apache Artemis	2.50.0 ≤ version < 2.57.0

Related CWEs

Missing Authentication for Critical Function

The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

References (2)

https://lists.apache.org/thread/4qbgcz3k38q30bfbf7hphtomrdc8l8n8

Source: security@apache.org

Mailing ListVendor Advisory

http://www.openwall.com/lists/oss-security/2026/09/10/3

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

Timeline

No history available yet.