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#CVE-2026-42253


When Broker Metadata Crosses the Wire: ActiveMQ’s Header Injection Bug Exposes a Thin Trust Boundary

Published: 03 June 2026 17:27Category: Vulnerabilities & Patch ManagementGeo: North America / USAAuthor: DEEPAUDIT

CVE-2026-42253 turns a routine messaging feature into a reminder that web consoles inherit the risks of every value they reflect back into HTTP.

ActiveMQ Web Console Patches Expose a Risky Management Plane

Published: 03 June 2026 14:49Category: Vulnerabilities & Patch ManagementGeo: North America / USAAuthor: SECURESPECTER

Apache’s May 31 fix cycle closed two web-surface flaws in ActiveMQ and ActiveMQ Web, showing how broker administration features can become the weakest link when headers and authorization defaults are too trusting.