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 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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/fxfjqrdsnksw5f17zs3yqo864lblgv6y	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/09/10/5	Mailing List Third Party Advisory
https://github.com/c0dem4sters/CVE-2026-57967

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:artemis::::::::
	cpe:2.3:a:apache:artemis::::::::

History

09 Oct 2026, 16:17

Type	Values Removed	Values Added
References		() https://github.com/c0dem4sters/CVE-2026-57967 -

Information

Published : 2026-09-10 05:17

Updated : 2026-10-09 16:17

NVD link : CVE-2026-57967

Mitre link : CVE-2026-57967

CVE.ORG link : CVE-2026-57967

JSON object : View

Products Affected

apache

artemis

CWE

CWE-306

Missing Authentication for Critical Function

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