CVE-2026-40127: CWE-639: Authorization Bypass Through User-Controlled Key in OutSystems Lifetime
OutSystems Lifetime versions prior to 11.28.2.3955 contain an authorization bypass vulnerability (CVE-2026-40127) related to the ApplicationID parameter. Authenticated users can exploit this flaw to read the Change Log entries of other users and view application names without proper authorization. This vulnerability has a medium severity rating with a CVSS score of 5.3. The issue was fixed in version 11.28.2.
AI Analysis
Technical Summary
CVE-2026-40127 is an authorization bypass vulnerability in OutSystems Lifetime where the ApplicationID parameter is user-controlled. This allows any authenticated user to access Change Log data, including actions performed by other users and application names, which should normally be restricted. The vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key). The vendor fixed this issue in OutSystems Lifetime version 11.28.2.3955.
Potential Impact
An attacker with valid authentication can read sensitive Change Log information related to other users' actions and application names. This exposure could lead to information disclosure but does not allow privilege escalation or code execution. The impact is limited to unauthorized read access to audit and application metadata.
Mitigation Recommendations
Upgrade OutSystems Lifetime to version 11.28.2.3955 or later, where this vulnerability is fixed. No other remediation or temporary workaround is indicated. Patch status is confirmed by the vendor advisory stating the fix is included in version 11.28.2.3955.
CVE-2026-40127: CWE-639: Authorization Bypass Through User-Controlled Key in OutSystems Lifetime
Description
OutSystems Lifetime versions prior to 11.28.2.3955 contain an authorization bypass vulnerability (CVE-2026-40127) related to the ApplicationID parameter. Authenticated users can exploit this flaw to read the Change Log entries of other users and view application names without proper authorization. This vulnerability has a medium severity rating with a CVSS score of 5.3. The issue was fixed in version 11.28.2.
CVSS v4.0
Score 5.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-40127 is an authorization bypass vulnerability in OutSystems Lifetime where the ApplicationID parameter is user-controlled. This allows any authenticated user to access Change Log data, including actions performed by other users and application names, which should normally be restricted. The vulnerability is classified under CWE-639 (Authorization Bypass Through User-Controlled Key). The vendor fixed this issue in OutSystems Lifetime version 11.28.2.3955.
Potential Impact
An attacker with valid authentication can read sensitive Change Log information related to other users' actions and application names. This exposure could lead to information disclosure but does not allow privilege escalation or code execution. The impact is limited to unauthorized read access to audit and application metadata.
Mitigation Recommendations
Upgrade OutSystems Lifetime to version 11.28.2.3955 or later, where this vulnerability is fixed. No other remediation or temporary workaround is indicated. Patch status is confirmed by the vendor advisory stating the fix is included in version 11.28.2.3955.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- CERT-PL
- Date Reserved
- 2026-04-09T10:15:00.973Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a142e12a5ae1af1aa91192f
Added to database: 05/25/2026, 11:10:10 UTC
Last enriched: 06/01/2026, 20:51:35 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 71
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