CVE-2026-4171

A security vulnerability has been detected in CodeGenieApp serverless-express up to 4.17.1. Affected by this issue is some unknown functionality of the file examples/lambda-function-url/packages/api/models/TodoList.ts of the component API Endpoint. The manipulation of the argument userId leads to authorization bypass. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/AnalogyC0de/public_exp/issues/20
https://vuldb.com/?ctiid.351078
https://vuldb.com/?id.351078
https://vuldb.com/?submit.769769
https://vuldb.com/?submit.769771

Configurations

No configuration.

History

22 Apr 2026, 21:32

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad de seguridad ha sido detectada en CodeGenieApp serverless-express hasta la versión 4.17.1. Afectada por este problema está alguna funcionalidad desconocida del archivo examples/lambda-function-url/packages/api/models/TodoList.ts del componente API Endpoint. La manipulación del argumento userId conduce a una omisión de autorización. El ataque es posible de ser llevado a cabo de forma remota. El exploit ha sido divulgado públicamente y puede ser utilizado. El proveedor fue contactado con antelación sobre esta divulgación pero no respondió de ninguna manera.

16 Mar 2026, 14:19

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-16 14:19

Updated : 2026-04-29 01:00

NVD link : CVE-2026-4171

Mitre link : CVE-2026-4171

CVE.ORG link : CVE-2026-4171

JSON object : View

Products Affected

No product.

CWE

CWE-285

Improper Authorization

CWE-639

Authorization Bypass Through User-Controlled Key

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