CVE-2025-15228: Welltend Bpmflowwebkit

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

BPMFlowWebkit developed by WELLTEND TECHNOLOGY has a Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Affected products

• Welltend Bpmflowwebkit: before 5.0.5 (fixed in 5.0.5)

Published 2025-12-29. Last modified 2026-10-07.