CVE-2026-57967

NONE EPSS 0.28%
Updated Sep 10, 2026
Apache Software Foundation
Parameter Value
Affected Versions 2.50.0 — 2.56.0
Fixed In 2.57.0
Type CWE-306 (Missing Authentication for Critical Function)
Vendor Apache Software Foundation
Public PoC No

An unauthenticated remote attacker can craft a CORE protocol SESSION_REATTACH packet to steal an existing session and assume ongoing execution of the previously authenticated session. 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.

Vulnerable Products

apache software foundation:apache artemis apache software foundation:apache activemq artemis