CVE-2026-102130: Accellion Kiteworks

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

Kiteworks Email Protection Gateway did not sufficiently validate the content of an uploaded backup, and allowed an administrator to influence how the application loaded it. An authenticated administrator could potentially use this to execute arbitrary code on the gateway as the underlying service account.

Affected products

• Accellion Kiteworks: before 9.5.1 (fixed in 9.5.1)

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