CVE-2026-28272: Accellion Kiteworks

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks Email Protection Gateway allows authenticated administrators to inject malicious scripts through a configuration interface. The stored script executes when users interact with the affected user interface. Version 9.2.0 contains a patch for the issue.

Affected products

• Accellion Kiteworks: before 9.2.0 (fixed in 9.2.0)

Published 2026-02-27. Last modified 2026-06-17.