CVE-2026-23636: Accellion Kiteworks

High severity, CVSS 7.2. EPSS: 1% chance of exploitation in the next 30 days.

Kiteworks is a private data network (PDN). In Kiteworks Secure Data Forms prior to version 9.2.1, the manager of a form could potentially exploit an Unrestricted Upload of File with Dangerous Type due to a missing validation. Upgrade Kiteworks to version 9.2.1 or later to receive a patch.

Affected products

• Accellion Kiteworks: before 9.2.1 (fixed in 9.2.1)

Published 2026-03-25. Last modified 2026-06-17.