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CVE-2026-40127— Authorization Bypass Through User-Controlled Key in OutSystems Lifetime

Quick assessment

Affected
OutSystems Lifetime
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OutSystems Lifetime是美国OutSystems公司的一个低代码平台管理控制中心。 OutSystems Lifetime 11.28.2.3955之前版本存在安全漏洞，该漏洞源于ApplicationID参数存在通过用户控制密钥绕过授权，可能导致任何经过身份验证的用户读取包含其他用户操作和应用程序名称的更改日志。

CVSS 5.3 · Medium EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token

Affected Version Matrix 1

VendorProduct Version RangeStatus
OutSystems Lifetime < 11.28.2.3955 affected
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I. Basic Information for CVE-2026-40127

Vulnerability Information
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Vulnerability Title
Authorization Bypass Through User-Controlled Key in OutSystems Lifetime
Source: CVE Program / CVE List V5
Vulnerability 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
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
OutSystems Lifetime 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OutSystems Lifetime是美国OutSystems公司的一个低代码平台管理控制中心。 OutSystems Lifetime 11.28.2.3955之前版本存在安全漏洞，该漏洞源于ApplicationID参数存在通过用户控制密钥绕过授权，可能导致任何经过身份验证的用户读取包含其他用户操作和应用程序名称的更改日志。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
OutSystems Lifetime 0 ~ 11.28.2.3955 -

II. Public POCs for CVE-2026-40127

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III. Intelligence Information for CVE-2026-40127

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Vendor Advisories for CVE-2026-40127 (1)

Security Blog Posts for CVE-2026-40127 (1)

Vendor Pages for CVE-2026-40127 (1)

IV. Related Vulnerabilities

Same vendor: OutSystems
Same weakness: CWE-639

V. Comments for CVE-2026-40127

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