Apache ActiveMQ Improper Input Validation Vulnerability

The Fileserver web application in Apache ActiveMQ allows remote attackers to upload and execute arbitrary files via an HTTP PUT followed by an HTTP MOVE request

Published 15 Sep 2026Updated 15 Sep 202611 sources
CVSS 9.8 ✓ VERIFIED REFERENCE△ CISA KEV

What happened

The Fileserver web application in Apache ActiveMQ allows remote attackers to upload and execute arbitrary files via an HTTP PUT followed by an HTTP MOVE request

Affected versions

ActiveMQ: See original advisory Fixed: See vendor advisory.

Why it matters

This source correlation may provide earlier visibility while structured CVE metadata is still being updated.

Detection & mitigation

  • Review the original advisory and validate affected versions.
  • Apply vendor-provided updates or mitigations when available.

Public PoC references