5.3
MEDIUM CVSS 4.0
CVE-2026-40127
Authorization Bypass Through User-Controlled Key in OutSystems Lifetime
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

INFO

Published Date :

May 25, 2026, 10:18 a.m.

Last Modified :

May 25, 2026, 10:18 a.m.

Remotely Exploit :

Yes !

Source :

CERT-PL
Affected Products

The following products are affected by CVE-2026-40127 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM 4bb8329e-dd38-46c1-aafb-9bf32bcb93c6
Solution
Update OutSystems Lifetime to version 11.28.2.3955 to fix an authorization bypass vulnerability.
  • Update OutSystems Lifetime to version 11.28.2.3955.
  • Apply vendor-provided patches or updates.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-40127 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-40127 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    May. 25, 2026

    Action Type Old Value New Value
    Added 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
    Added CVSS V4.0 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
    Added CWE CWE-639
    Added Reference https://cert.pl/en/posts/2026/05/CVE-2026-40126/
    Added Reference https://www.outsystems.com/downloads/ScreenDetails?ReleaseId=22953&MajorVersion=11&ComponentName=LifeTime
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.