CVE-2026-40127

Authorization Bypass Through User-Controlled Key in OutSystems Lifetime

State: Published
Severity: 5.3 Medium
Published: May 25, 2026
Updated: Aug 11, 2026
Reserved: Apr 9, 2026

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

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	CERT-PL

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
LifetimeOutSystems	before 11.28.2.3955Affected

References

https://cert.pl/en/posts/2026/05/CVE-2026-40126/third-party-advisory
https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTimeproduct
https://success.outsystems.com/support/security/vulnerabilities/vulnerability_rpm_6441/vendor-advisory

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