CVE-2026-29092: Accellion Kiteworks

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Kiteworks is a private data network (PDN). Prior to version 9.2.1, a vulnerability in Kiteworks Email Protection Gateway session management allows blocked users to maintain active sessions after their account is disabled. This could allow unauthorized access to continue until the session naturally expires. 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.