CVE-2026-40127
MEDIUMAuthorization Bypass Through User-Controlled Key in OutSystems Lifetime
Title source: cnaDescription
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
References (2)
Core 2
Core References
Third Party Advisory third-party-advisory
https://cert.pl/en/posts/2026/05/CVE-2026-40126/
Scores
CVSS v4
5.3
EPSS
0.0032
EPSS Percentile
23.4%
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
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-639
Status
published
Products (1)
OutSystems/Lifetime
< 11.28.2.3955
Published
May 25, 2026
Tracked Since
May 25, 2026