High [CVE-2026-57967] Apache Artemis — session hijack via missing authentication
This high-severity Red Hat Linux advisory covers CVE-2026-57967 affecting Red Hat AMQ Broker 7, Red Hat JBoss Enterprise Application Platform 7, Red Hat JBoss Enterprise Application Platform 8.
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Summary
in Apache Artemis, the REATTACH_SESSION handler performs zero authentication — it looks up the session by name only and calls transferConnection() unconditionally, migrating the authenticated session to the attacker's connection.
The hijacked cluster-bridge session inherits full broker-management authority (message injection, topology manipulation, journal access) Red Hat severity: Important — CVSS 7.4 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N). Weakness: CWE-306.
Affected Red Hat products: Red Hat AMQ Broker 7; Red Hat JBoss Enterprise Application Platform 7; Red Hat JBoss Enterprise Application Platform 8; Red Hat JBoss Enterprise Application Platform Expansion Pack. Red Hat does not currently list a fixing RHSA for this CVE.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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