CVE-2026-102089: Accellion Kiteworks

High severity, CVSS 7.2. EPSS: 1.5% chance of exploitation in the next 30 days.

Kiteworks Email Protection Gateway before version 9.5.0 is vulnerable to a path traversal weakness in an administrative import function allowed an authenticated administrator to write files to arbitrary locations on the server. This could potentially be leveraged to execute arbitrary code on the underlying system.

Affected products

• Accellion Kiteworks: before 9.5.0 (fixed in 9.5.0)

Published 2026-09-30. Last modified 2026-10-08.