CVE-2026-40127: Outsystems Lifetime

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

OutSystems Lifetime is vulnerable to Authorization Bypass Through User-Controlled Key vulnerability in ApplicationID parameter. Any authenticated user, can read the Change Log containing actions performed by other users as well as application name of any application. This issue was fixed in OutSystems Lifetime version 11.28.2.3955

Affected products

• Outsystems Lifetime: before 11.28.2.3955 (fixed in 11.28.2.3955)

Published 2026-05-25. Last modified 2026-08-11.