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    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.

    Published:Sep 10, 2026
    Last Modified:Oct 9, 2026
    EPS:Sep 10, 2026
    EPSS Score:0.01073
    CVSS Score:9.8

    Affected Products

    Vendor
    Apache
    Product
    Activemq Artemis
    Vendor
    Apache
    Product
    Artemis

    Exploits

    https://github.com/c0dem4sters/CVE-2026-57967

    Related CVEs

    CVE-2026-49362 (CVSS 7.5) — An unauthenticated remote attacker can create arbitrary durable queues via the CORE protocol, leading to unaut…
    CVE-2026-49363 (CVSS 7.5) — An unauthenticated remote attacker connecting with the CORE protocol can discover cluster node details by send…
    CVE-2026-49364 (CVSS 9.1) — An unauthenticated network-adjacent attacker can leverage discovery to capture cluster administrative credenti…
    CVE-2026-57822 (CVSS 6.5) — When the broker is processing message-based management requests, sent by an authenticated messaging client tha…
    CVE-2026-67593 (CVSS 9.1) — A remote attacker can craft an Openwire RemoveSubscriptionInfo command to cause the deletion of a queue on the…
    CVE-2026-75880 (CVSS 6.5) — An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results…
    CVE-2026-32642 (CVSS 2.3) — Incorrect Authorization (CWE-863) vulnerability in Apache Artemis, Apache ActiveMQ Artemis exists when an appl…
    CVE-2026-27446 (CVSS 9.3) — Missing Authentication for Critical Function (CWE-306) vulnerability in Apache Artemis, Apache ActiveMQ Artemi…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High