CVE-2026-40127

Medium

Description

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

SeverityMedium

CVSS5.3

Exploit probability—

Product

Lifetime

PublishedMay 25, 2026

First seenMay 25, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

OutSystems Lifetime11.28.2.3955 or later

Vendor advisories

success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6441/

Affected products

Product	Affected versions	Fixed in
OutSystems Lifetime	v < 11.28.2.3955	11.28.2.3955

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