CVE-2026-102142: Accellion Kiteworks

High severity, CVSS 7.2. EPSS: 1.2% chance of exploitation in the next 30 days.

A system notification template on the Kiteworks appliance was rendered by a template engine that evaluated expressions contained in the stored template body. An authenticated System Administrator could potentially store a crafted template that executed operating-system commands on the appliance when the notification was next sent.

Affected products

• Accellion Kiteworks: before 9.5.1 (fixed in 9.5.1)

Published 2026-09-30. Last modified 2026-10-07.