CVE-2026-57967: apache artemis

CVSS 9.8 (critical) · published 2026-09-10

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.

Affected products (NVD): apache artemis

Fixed in (NVD): 2.44.0, 2.57.0

Weakness: CWE-306

Source: NVD CVE-2026-57967

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

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