CVE-2026-3992— CodeGenieApp serverless-express Users Endpoint dynamodb.ts injection
Quick assessment
Affected
CodeGenieApp serverless-express
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.
Serverless Express是Code Genie开源的一个在无服务器环境中运行Node.js Web应用的库。 Serverless Express 4.17.1及之前版本存在安全漏洞，该漏洞源于对文件utils/dynamodb.ts中参数filter的错误操作，可能导致注入攻击。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3992
Vulnerability Information
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Vulnerability Title
CodeGenieApp serverless-express Users Endpoint dynamodb.ts injection
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in CodeGenieApp serverless-express up to 4.17.1. This affects an unknown part of the file utils/dynamodb.ts of the component Users Endpoint. This manipulation of the argument filter causes injection. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Serverless Express 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Serverless Express是Code Genie开源的一个在无服务器环境中运行Node.js Web应用的库。 Serverless Express 4.17.1及之前版本存在安全漏洞，该漏洞源于对文件utils/dynamodb.ts中参数filter的错误操作，可能导致注入攻击。
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 |
|---|---|---|---|---|
| CodeGenieApp | serverless-express | 4.17.0 | - |
|
II. Public POCs for CVE-2026-3992
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-3992 (1)
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V. Comments for CVE-2026-3992
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