CVE-2026-40127 MEDIUM

CVE-2026-40127: Authorization Bypass Through User-Controlled Key in OutSystems Lifetime

Vendor Outsystems
Product Lifetime
Weakness CWE-639 · IDOR
Published May 25, 2026
Last update May 26, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

May 25, 2026 CVE published
May 26, 2026 Record updated