CRITICAL 9.8 NVD
CVE-2026-57967
An unauthenticated remote attacker can craft a CORE protocol SESSION_REATTACH packet to steal an existing session and assume ongoing execution of the previously
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://www.openwall.com/lists/oss-security/2026/09/10/5
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-09-10 via NVD.
Risk Timeline
CVE Disclosed2026-09-10 · 0 days ago
Remediation Resources
Official Advisory
www.openwall.com/lists/oss-security/2026/09/10/5Official Advisory
www.openwall.com/lists/oss-security/2026/09/10/5Analysis & PoC
lists.apache.org/thread/fxfjqrdsnksw5f17zs3yqo864lblgv6y
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