CVE-2026-40127

MEDIUM EPSS 23.6%

Published May 25, 20261mo ago · Modified Jun 17, 20262w ago

5.3 CVSS 4.0

Medium

Published May 25, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

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

CVSS Details

Base Score

5.3

Exploitability

—

Impact

—

Vector string

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

23.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-639

References 2

cert.pl https://cert.pl/en/posts/2026/05/CVE-2026-40126/
outsystems.com https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTime

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.