CVE-2026-4171 MEDIUM

CVE-2026-4171: CodeGenieApp serverless-express API Endpoint TodoList.ts authorization

Vendor Codegenieapp
Product serverless-express
Weakness CWE-639 · IDOR
Published March 15, 2026
Last update March 16, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 15, 2026 CVE published
March 16, 2026 Record updated

Related vulnerabilities

04Related CVE