CVE-2026-57967

Critical · CVSS 9.8

CVSS: 9.8; nvd
EPSS: 1.07%; 64th pct
KEV: No
Class: oss containerizable; CWE-306

Description

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.

References

https://lists.apache.org/thread/fxfjqrdsnksw5f17zs3yqo864lblgv6y
http://www.openwall.com/lists/oss-security/2026/09/10/5
https://github.com/c0dem4sters/CVE-2026-57967

Status: profiled · ingested 2026-09-16T06:00:31.000Z